19402036700

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{557}}^1\times {\mathrm{2137}}^1$

素因数の和:2871

約数の個数: 72

約数和(自身を含む): 42456626352

約数和(自身を除く): 23054589652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 557, 652, 815, 1114, 1630, 2137, 2228, 2785, 3260, 4075, 4274, 5570, 8150, 8548, 10685, 11140, 13925, 16300, 21370, 27850, 42740, 53425, 55700, 90791, 106850, 181582, 213700, 348331, 363164, 453955, 696662, 907910, 1190309, 1393324, 1741655, 1815820, 2269775, 2380618, 3483310, 4539550, 4761236, 5951545, 6966620, 8708275, 9079100, 11903090, 17416550, 23806180, 29757725, 34833100, 59515450, 119030900, 194020367, 388040734, 776081468, 970101835, 1940203670, 3880407340, 4850509175, 9701018350, 19402036700]

約数ペア:

[(1, 19402036700), (2, 9701018350), (4, 4850509175), (5, 3880407340), (10, 1940203670), (20, 970101835), (25, 776081468), (50, 388040734), (100, 194020367), (163, 119030900), (326, 59515450), (557, 34833100), (652, 29757725), (815, 23806180), (1114, 17416550), (1630, 11903090), (2137, 9079100), (2228, 8708275), (2785, 6966620), (3260, 5951545), (4075, 4761236), (4274, 4539550), (5570, 3483310), (8150, 2380618), (8548, 2269775), (10685, 1815820), (11140, 1741655), (13925, 1393324), (16300, 1190309), (21370, 907910), (27850, 696662), (42740, 453955), (53425, 363164), (55700, 348331), (90791, 213700), (106850, 181582)]