428920872

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 1155686400

約数和(自身を除く): 726765528

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 43, 47, 74, 86, 94, 111, 129, 141, 148, 172, 188, 222, 239, 258, 282, 296, 344, 376, 444, 478, 516, 564, 717, 888, 956, 1032, 1128, 1434, 1591, 1739, 1912, 2021, 2868, 3182, 3478, 4042, 4773, 5217, 5736, 6063, 6364, 6956, 8084, 8843, 9546, 10277, 10434, 11233, 12126, 12728, 13912, 16168, 17686, 19092, 20554, 20868, 22466, 24252, 26529, 30831, 33699, 35372, 38184, 41108, 41736, 44932, 48504, 53058, 61662, 67398, 70744, 74777, 82216, 89864, 106116, 123324, 134796, 149554, 212232, 224331, 246648, 269592, 299108, 380249, 415621, 448662, 483019, 598216, 760498, 831242, 897324, 966038, 1140747, 1246863, 1449057, 1520996, 1662484, 1794648, 1932076, 2281494, 2493726, 2898114, 3041992, 3324968, 3864152, 4562988, 4987452, 5796228, 9125976, 9974904, 11592456, 17871703, 35743406, 53615109, 71486812, 107230218, 142973624, 214460436, 428920872]

約数ペア:

[(1, 428920872), (2, 214460436), (3, 142973624), (4, 107230218), (6, 71486812), (8, 53615109), (12, 35743406), (24, 17871703), (37, 11592456), (43, 9974904), (47, 9125976), (74, 5796228), (86, 4987452), (94, 4562988), (111, 3864152), (129, 3324968), (141, 3041992), (148, 2898114), (172, 2493726), (188, 2281494), (222, 1932076), (239, 1794648), (258, 1662484), (282, 1520996), (296, 1449057), (344, 1246863), (376, 1140747), (444, 966038), (478, 897324), (516, 831242), (564, 760498), (717, 598216), (888, 483019), (956, 448662), (1032, 415621), (1128, 380249), (1434, 299108), (1591, 269592), (1739, 246648), (1912, 224331), (2021, 212232), (2868, 149554), (3182, 134796), (3478, 123324), (4042, 106116), (4773, 89864), (5217, 82216), (5736, 74777), (6063, 70744), (6364, 67398), (6956, 61662), (8084, 53058), (8843, 48504), (9546, 44932), (10277, 41736), (10434, 41108), (11233, 38184), (12126, 35372), (12728, 33699), (13912, 30831), (16168, 26529), (17686, 24252), (19092, 22466), (20554, 20868)]