198857360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:1920

約数の個数: 80

約数和(自身を含む): 502842816

約数和(自身を除く): 303985456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 856, 1040, 1070, 1391, 1712, 1787, 2140, 2782, 3574, 4280, 5564, 6955, 7148, 8560, 8935, 11128, 13910, 14296, 17870, 22256, 23231, 27820, 28592, 35740, 46462, 55640, 71480, 92924, 111280, 116155, 142960, 185848, 191209, 232310, 371696, 382418, 464620, 764836, 929240, 956045, 1529672, 1858480, 1912090, 2485717, 3059344, 3824180, 4971434, 7648360, 9942868, 12428585, 15296720, 19885736, 24857170, 39771472, 49714340, 99428680, 198857360]

約数ペア:

[(1, 198857360), (2, 99428680), (4, 49714340), (5, 39771472), (8, 24857170), (10, 19885736), (13, 15296720), (16, 12428585), (20, 9942868), (26, 7648360), (40, 4971434), (52, 3824180), (65, 3059344), (80, 2485717), (104, 1912090), (107, 1858480), (130, 1529672), (208, 956045), (214, 929240), (260, 764836), (428, 464620), (520, 382418), (535, 371696), (856, 232310), (1040, 191209), (1070, 185848), (1391, 142960), (1712, 116155), (1787, 111280), (2140, 92924), (2782, 71480), (3574, 55640), (4280, 46462), (5564, 35740), (6955, 28592), (7148, 27820), (8560, 23231), (8935, 22256), (11128, 17870), (13910, 14296)]