220185560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25367}}^1$

素因数の和:25416

約数の個数: 64

約数和(自身を含む): 584478720

約数和(自身を除く): 364293160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 25367, 50734, 101468, 126835, 177569, 202936, 253670, 355138, 507340, 710276, 786377, 887845, 1014680, 1420552, 1572754, 1775690, 3145508, 3551380, 3931885, 5504639, 6291016, 7102760, 7863770, 11009278, 15727540, 22018556, 27523195, 31455080, 44037112, 55046390, 110092780, 220185560]

約数ペア:

[(1, 220185560), (2, 110092780), (4, 55046390), (5, 44037112), (7, 31455080), (8, 27523195), (10, 22018556), (14, 15727540), (20, 11009278), (28, 7863770), (31, 7102760), (35, 6291016), (40, 5504639), (56, 3931885), (62, 3551380), (70, 3145508), (124, 1775690), (140, 1572754), (155, 1420552), (217, 1014680), (248, 887845), (280, 786377), (310, 710276), (434, 507340), (620, 355138), (868, 253670), (1085, 202936), (1240, 177569), (1736, 126835), (2170, 101468), (4340, 50734), (8680, 25367)]