428868880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 1142784000

約数和(自身を除く): 713915120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 79, 80, 88, 110, 124, 155, 158, 176, 199, 220, 248, 310, 316, 341, 395, 398, 440, 496, 620, 632, 682, 790, 796, 869, 880, 995, 1240, 1264, 1364, 1580, 1592, 1705, 1738, 1990, 2189, 2449, 2480, 2728, 3160, 3184, 3410, 3476, 3980, 4345, 4378, 4898, 5456, 6169, 6320, 6820, 6952, 7960, 8690, 8756, 9796, 10945, 12245, 12338, 13640, 13904, 15721, 15920, 17380, 17512, 19592, 21890, 24490, 24676, 26939, 27280, 30845, 31442, 34760, 35024, 39184, 43780, 48980, 49352, 53878, 61690, 62884, 67859, 69520, 78605, 87560, 97960, 98704, 107756, 123380, 125768, 134695, 135718, 157210, 172931, 175120, 195920, 215512, 246760, 251536, 269390, 271436, 314420, 339295, 345862, 431024, 487351, 493520, 538780, 542872, 628840, 678590, 691724, 864655, 974702, 1077560, 1085744, 1257680, 1357180, 1383448, 1729310, 1949404, 2155120, 2436755, 2714360, 2766896, 3458620, 3898808, 4873510, 5360861, 5428720, 6917240, 7797616, 9747020, 10721722, 13834480, 19494040, 21443444, 26804305, 38988080, 42886888, 53608610, 85773776, 107217220, 214434440, 428868880]

約数ペア:

[(1, 428868880), (2, 214434440), (4, 107217220), (5, 85773776), (8, 53608610), (10, 42886888), (11, 38988080), (16, 26804305), (20, 21443444), (22, 19494040), (31, 13834480), (40, 10721722), (44, 9747020), (55, 7797616), (62, 6917240), (79, 5428720), (80, 5360861), (88, 4873510), (110, 3898808), (124, 3458620), (155, 2766896), (158, 2714360), (176, 2436755), (199, 2155120), (220, 1949404), (248, 1729310), (310, 1383448), (316, 1357180), (341, 1257680), (395, 1085744), (398, 1077560), (440, 974702), (496, 864655), (620, 691724), (632, 678590), (682, 628840), (790, 542872), (796, 538780), (869, 493520), (880, 487351), (995, 431024), (1240, 345862), (1264, 339295), (1364, 314420), (1580, 271436), (1592, 269390), (1705, 251536), (1738, 246760), (1990, 215512), (2189, 195920), (2449, 175120), (2480, 172931), (2728, 157210), (3160, 135718), (3184, 134695), (3410, 125768), (3476, 123380), (3980, 107756), (4345, 98704), (4378, 97960), (4898, 87560), (5456, 78605), (6169, 69520), (6320, 67859), (6820, 62884), (6952, 61690), (7960, 53878), (8690, 49352), (8756, 48980), (9796, 43780), (10945, 39184), (12245, 35024), (12338, 34760), (13640, 31442), (13904, 30845), (15721, 27280), (15920, 26939), (17380, 24676), (17512, 24490), (19592, 21890)]