390771920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 240

約数和(自身を含む): 1171591680

約数和(自身を除く): 780819760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 79, 80, 88, 110, 112, 121, 140, 146, 154, 158, 176, 220, 242, 280, 292, 308, 316, 365, 385, 395, 440, 484, 511, 553, 560, 584, 605, 616, 632, 730, 770, 790, 803, 847, 869, 880, 968, 1022, 1106, 1168, 1210, 1232, 1264, 1460, 1540, 1580, 1606, 1694, 1738, 1936, 2044, 2212, 2420, 2555, 2765, 2920, 3080, 3160, 3212, 3388, 3476, 4015, 4088, 4235, 4345, 4424, 4840, 5110, 5530, 5621, 5767, 5840, 6083, 6160, 6320, 6424, 6776, 6952, 8030, 8176, 8470, 8690, 8833, 8848, 9559, 9680, 10220, 11060, 11242, 11534, 12166, 12848, 13552, 13904, 16060, 16940, 17380, 17666, 19118, 20440, 22120, 22484, 23068, 24332, 28105, 28835, 30415, 32120, 33880, 34760, 35332, 38236, 40369, 40880, 44165, 44240, 44968, 46136, 47795, 48664, 56210, 57670, 60830, 61831, 63437, 64240, 66913, 67760, 69520, 70664, 76472, 80738, 88330, 89936, 92272, 95590, 97328, 112420, 115340, 121660, 123662, 126874, 133826, 141328, 152944, 161476, 176660, 191180, 201845, 224840, 230680, 243320, 247324, 253748, 267652, 309155, 317185, 322952, 334565, 353320, 382360, 403690, 444059, 449680, 461360, 486640, 494648, 507496, 535304, 618310, 634370, 645904, 669130, 697807, 706640, 764720, 807380, 888118, 989296, 1014992, 1070608, 1236620, 1268740, 1338260, 1395614, 1614760, 1776236, 2220295, 2473240, 2537480, 2676520, 2791228, 3229520, 3489035, 3552472, 4440590, 4884649, 4946480, 5074960, 5353040, 5582456, 6978070, 7104944, 8881180, 9769298, 11164912, 13956140, 17762360, 19538596, 24423245, 27912280, 35524720, 39077192, 48846490, 55824560, 78154384, 97692980, 195385960, 390771920]

約数ペア:

[(1, 390771920), (2, 195385960), (4, 97692980), (5, 78154384), (7, 55824560), (8, 48846490), (10, 39077192), (11, 35524720), (14, 27912280), (16, 24423245), (20, 19538596), (22, 17762360), (28, 13956140), (35, 11164912), (40, 9769298), (44, 8881180), (55, 7104944), (56, 6978070), (70, 5582456), (73, 5353040), (77, 5074960), (79, 4946480), (80, 4884649), (88, 4440590), (110, 3552472), (112, 3489035), (121, 3229520), (140, 2791228), (146, 2676520), (154, 2537480), (158, 2473240), (176, 2220295), (220, 1776236), (242, 1614760), (280, 1395614), (292, 1338260), (308, 1268740), (316, 1236620), (365, 1070608), (385, 1014992), (395, 989296), (440, 888118), (484, 807380), (511, 764720), (553, 706640), (560, 697807), (584, 669130), (605, 645904), (616, 634370), (632, 618310), (730, 535304), (770, 507496), (790, 494648), (803, 486640), (847, 461360), (869, 449680), (880, 444059), (968, 403690), (1022, 382360), (1106, 353320), (1168, 334565), (1210, 322952), (1232, 317185), (1264, 309155), (1460, 267652), (1540, 253748), (1580, 247324), (1606, 243320), (1694, 230680), (1738, 224840), (1936, 201845), (2044, 191180), (2212, 176660), (2420, 161476), (2555, 152944), (2765, 141328), (2920, 133826), (3080, 126874), (3160, 123662), (3212, 121660), (3388, 115340), (3476, 112420), (4015, 97328), (4088, 95590), (4235, 92272), (4345, 89936), (4424, 88330), (4840, 80738), (5110, 76472), (5530, 70664), (5621, 69520), (5767, 67760), (5840, 66913), (6083, 64240), (6160, 63437), (6320, 61831), (6424, 60830), (6776, 57670), (6952, 56210), (8030, 48664), (8176, 47795), (8470, 46136), (8690, 44968), (8833, 44240), (8848, 44165), (9559, 40880), (9680, 40369), (10220, 38236), (11060, 35332), (11242, 34760), (11534, 33880), (12166, 32120), (12848, 30415), (13552, 28835), (13904, 28105), (16060, 24332), (16940, 23068), (17380, 22484), (17666, 22120), (19118, 20440)]