199697640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1847}}^1$

素因数の和:1931

約数の個数: 128

約数和(自身を含む): 646652160

約数和(自身を除く): 446954520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 102, 106, 120, 136, 159, 170, 204, 212, 255, 265, 318, 340, 408, 424, 510, 530, 636, 680, 795, 901, 1020, 1060, 1272, 1590, 1802, 1847, 2040, 2120, 2703, 3180, 3604, 3694, 4505, 5406, 5541, 6360, 7208, 7388, 9010, 9235, 10812, 11082, 13515, 14776, 18020, 18470, 21624, 22164, 27030, 27705, 31399, 36040, 36940, 44328, 54060, 55410, 62798, 73880, 94197, 97891, 108120, 110820, 125596, 156995, 188394, 195782, 221640, 251192, 293673, 313990, 376788, 391564, 470985, 489455, 587346, 627980, 753576, 783128, 941970, 978910, 1174692, 1255960, 1468365, 1664147, 1883940, 1957820, 2349384, 2936730, 3328294, 3767880, 3915640, 4992441, 5873460, 6656588, 8320735, 9984882, 11746920, 13313176, 16641470, 19969764, 24962205, 33282940, 39939528, 49924410, 66565880, 99848820, 199697640]

約数ペア:

[(1, 199697640), (2, 99848820), (3, 66565880), (4, 49924410), (5, 39939528), (6, 33282940), (8, 24962205), (10, 19969764), (12, 16641470), (15, 13313176), (17, 11746920), (20, 9984882), (24, 8320735), (30, 6656588), (34, 5873460), (40, 4992441), (51, 3915640), (53, 3767880), (60, 3328294), (68, 2936730), (85, 2349384), (102, 1957820), (106, 1883940), (120, 1664147), (136, 1468365), (159, 1255960), (170, 1174692), (204, 978910), (212, 941970), (255, 783128), (265, 753576), (318, 627980), (340, 587346), (408, 489455), (424, 470985), (510, 391564), (530, 376788), (636, 313990), (680, 293673), (795, 251192), (901, 221640), (1020, 195782), (1060, 188394), (1272, 156995), (1590, 125596), (1802, 110820), (1847, 108120), (2040, 97891), (2120, 94197), (2703, 73880), (3180, 62798), (3604, 55410), (3694, 54060), (4505, 44328), (5406, 36940), (5541, 36040), (6360, 31399), (7208, 27705), (7388, 27030), (9010, 22164), (9235, 21624), (10812, 18470), (11082, 18020), (13515, 14776)]