1994945920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 5604940800

約数和(自身を除く): 3609994880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 79, 80, 85, 88, 110, 128, 136, 158, 160, 170, 176, 187, 211, 220, 272, 316, 320, 340, 352, 374, 395, 422, 440, 544, 632, 640, 680, 704, 748, 790, 844, 869, 880, 935, 1055, 1088, 1264, 1343, 1360, 1408, 1496, 1580, 1688, 1738, 1760, 1870, 2110, 2176, 2321, 2528, 2686, 2720, 2992, 3160, 3376, 3476, 3520, 3587, 3740, 4220, 4345, 4642, 5056, 5372, 5440, 5984, 6320, 6715, 6752, 6952, 7040, 7174, 7480, 8440, 8690, 9284, 10112, 10744, 10880, 11605, 11968, 12640, 13430, 13504, 13904, 14348, 14773, 14960, 16669, 16880, 17380, 17935, 18568, 21488, 23210, 23936, 25280, 26860, 27008, 27808, 28696, 29546, 29920, 33338, 33760, 34760, 35870, 37136, 39457, 42976, 46420, 50560, 53720, 55616, 57392, 59092, 59840, 66676, 67520, 69520, 71740, 73865, 74272, 78914, 83345, 85952, 92840, 107440, 111232, 114784, 118184, 119680, 133352, 135040, 139040, 143480, 147730, 148544, 157828, 166690, 171904, 183359, 185680, 197285, 214880, 229568, 236368, 266704, 278080, 283373, 286960, 295460, 297088, 315656, 333380, 366718, 371360, 394570, 429760, 459136, 472736, 533408, 556160, 566746, 573920, 590920, 631312, 666760, 733436, 742720, 789140, 859520, 916795, 945472, 1066816, 1133492, 1147840, 1181840, 1262624, 1333520, 1416865, 1466872, 1485440, 1578280, 1833590, 1890944, 2133632, 2266984, 2295680, 2363680, 2525248, 2667040, 2833730, 2933744, 3117103, 3156560, 3667180, 4533968, 4727360, 5050496, 5334080, 5667460, 5867488, 6234206, 6313120, 7334360, 9067936, 9454720, 10668160, 11334920, 11734976, 12468412, 12626240, 14668720, 15585515, 18135872, 22669840, 23469952, 24936824, 25252480, 29337440, 31171030, 36271744, 45339680, 49873648, 58674880, 62342060, 90679360, 99747296, 117349760, 124684120, 181358720, 199494592, 249368240, 398989184, 498736480, 997472960, 1994945920]

約数ペア:

[(1, 1994945920), (2, 997472960), (4, 498736480), (5, 398989184), (8, 249368240), (10, 199494592), (11, 181358720), (16, 124684120), (17, 117349760), (20, 99747296), (22, 90679360), (32, 62342060), (34, 58674880), (40, 49873648), (44, 45339680), (55, 36271744), (64, 31171030), (68, 29337440), (79, 25252480), (80, 24936824), (85, 23469952), (88, 22669840), (110, 18135872), (128, 15585515), (136, 14668720), (158, 12626240), (160, 12468412), (170, 11734976), (176, 11334920), (187, 10668160), (211, 9454720), (220, 9067936), (272, 7334360), (316, 6313120), (320, 6234206), (340, 5867488), (352, 5667460), (374, 5334080), (395, 5050496), (422, 4727360), (440, 4533968), (544, 3667180), (632, 3156560), (640, 3117103), (680, 2933744), (704, 2833730), (748, 2667040), (790, 2525248), (844, 2363680), (869, 2295680), (880, 2266984), (935, 2133632), (1055, 1890944), (1088, 1833590), (1264, 1578280), (1343, 1485440), (1360, 1466872), (1408, 1416865), (1496, 1333520), (1580, 1262624), (1688, 1181840), (1738, 1147840), (1760, 1133492), (1870, 1066816), (2110, 945472), (2176, 916795), (2321, 859520), (2528, 789140), (2686, 742720), (2720, 733436), (2992, 666760), (3160, 631312), (3376, 590920), (3476, 573920), (3520, 566746), (3587, 556160), (3740, 533408), (4220, 472736), (4345, 459136), (4642, 429760), (5056, 394570), (5372, 371360), (5440, 366718), (5984, 333380), (6320, 315656), (6715, 297088), (6752, 295460), (6952, 286960), (7040, 283373), (7174, 278080), (7480, 266704), (8440, 236368), (8690, 229568), (9284, 214880), (10112, 197285), (10744, 185680), (10880, 183359), (11605, 171904), (11968, 166690), (12640, 157828), (13430, 148544), (13504, 147730), (13904, 143480), (14348, 139040), (14773, 135040), (14960, 133352), (16669, 119680), (16880, 118184), (17380, 114784), (17935, 111232), (18568, 107440), (21488, 92840), (23210, 85952), (23936, 83345), (25280, 78914), (26860, 74272), (27008, 73865), (27808, 71740), (28696, 69520), (29546, 67520), (29920, 66676), (33338, 59840), (33760, 59092), (34760, 57392), (35870, 55616), (37136, 53720), (39457, 50560), (42976, 46420)]