397788409750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{2213}}^1$

素因数の和:3023

約数の個数: 128

約数和(自身を含む): 796560500736

約数和(自身を除く): 398772090986

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 125, 215, 230, 250, 430, 575, 727, 989, 1075, 1150, 1454, 1978, 2150, 2213, 2875, 3635, 4426, 4945, 5375, 5750, 7270, 9890, 10750, 11065, 16721, 18175, 22130, 24725, 31261, 33442, 36350, 49450, 50899, 55325, 62522, 83605, 90875, 95159, 101798, 110650, 123625, 156305, 167210, 181750, 190318, 247250, 254495, 276625, 312610, 418025, 475795, 508990, 553250, 719003, 781525, 836050, 951590, 1272475, 1438006, 1563050, 1608851, 2090125, 2188657, 2378975, 2544950, 3217702, 3595015, 3907625, 4180250, 4377314, 4757950, 6362375, 7190030, 7815250, 8044255, 10943285, 11894875, 12724750, 16088510, 17975075, 21886570, 23789750, 35950150, 37003573, 40221275, 54716425, 69180593, 74007146, 80442550, 89875375, 109432850, 138361186, 179750750, 185017865, 201106375, 273582125, 345902965, 370035730, 402212750, 547164250, 691805930, 925089325, 1591153639, 1729514825, 1850178650, 3182307278, 3459029650, 4625446625, 7955768195, 8647574125, 9250893250, 15911536390, 17295148250, 39778840975, 79557681950, 198894204875, 397788409750]

約数ペア:

[(1, 397788409750), (2, 198894204875), (5, 79557681950), (10, 39778840975), (23, 17295148250), (25, 15911536390), (43, 9250893250), (46, 8647574125), (50, 7955768195), (86, 4625446625), (115, 3459029650), (125, 3182307278), (215, 1850178650), (230, 1729514825), (250, 1591153639), (430, 925089325), (575, 691805930), (727, 547164250), (989, 402212750), (1075, 370035730), (1150, 345902965), (1454, 273582125), (1978, 201106375), (2150, 185017865), (2213, 179750750), (2875, 138361186), (3635, 109432850), (4426, 89875375), (4945, 80442550), (5375, 74007146), (5750, 69180593), (7270, 54716425), (9890, 40221275), (10750, 37003573), (11065, 35950150), (16721, 23789750), (18175, 21886570), (22130, 17975075), (24725, 16088510), (31261, 12724750), (33442, 11894875), (36350, 10943285), (49450, 8044255), (50899, 7815250), (55325, 7190030), (62522, 6362375), (83605, 4757950), (90875, 4377314), (95159, 4180250), (101798, 3907625), (110650, 3595015), (123625, 3217702), (156305, 2544950), (167210, 2378975), (181750, 2188657), (190318, 2090125), (247250, 1608851), (254495, 1563050), (276625, 1438006), (312610, 1272475), (418025, 951590), (475795, 836050), (508990, 781525), (553250, 719003)]