485007280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4007}}^1$

素因数の和:4126

約数の個数: 80

約数和(自身を含む): 1207690560

約数和(自身を除く): 722683280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1360, 1424, 1513, 1780, 3026, 3560, 4007, 6052, 7120, 7565, 8014, 12104, 15130, 16028, 20035, 24208, 30260, 32056, 40070, 60520, 64112, 68119, 80140, 121040, 136238, 160280, 272476, 320560, 340595, 356623, 544952, 681190, 713246, 1089904, 1362380, 1426492, 1783115, 2724760, 2852984, 3566230, 5449520, 5705968, 6062591, 7132460, 12125182, 14264920, 24250364, 28529840, 30312955, 48500728, 60625910, 97001456, 121251820, 242503640, 485007280]

約数ペア:

[(1, 485007280), (2, 242503640), (4, 121251820), (5, 97001456), (8, 60625910), (10, 48500728), (16, 30312955), (17, 28529840), (20, 24250364), (34, 14264920), (40, 12125182), (68, 7132460), (80, 6062591), (85, 5705968), (89, 5449520), (136, 3566230), (170, 2852984), (178, 2724760), (272, 1783115), (340, 1426492), (356, 1362380), (445, 1089904), (680, 713246), (712, 681190), (890, 544952), (1360, 356623), (1424, 340595), (1513, 320560), (1780, 272476), (3026, 160280), (3560, 136238), (4007, 121040), (6052, 80140), (7120, 68119), (7565, 64112), (8014, 60520), (12104, 40070), (15130, 32056), (16028, 30260), (20035, 24208)]