258056500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 645306480

約数和(自身を除く): 387249980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 37, 50, 52, 58, 65, 74, 100, 116, 125, 130, 145, 148, 185, 250, 260, 290, 325, 370, 377, 481, 500, 580, 650, 725, 740, 754, 925, 962, 1073, 1300, 1369, 1450, 1508, 1625, 1850, 1885, 1924, 2146, 2405, 2738, 2900, 3250, 3625, 3700, 3770, 4292, 4625, 4810, 5365, 5476, 6500, 6845, 7250, 7540, 9250, 9425, 9620, 10730, 12025, 13690, 13949, 14500, 17797, 18500, 18850, 21460, 24050, 26825, 27380, 27898, 34225, 35594, 37700, 39701, 47125, 48100, 53650, 55796, 60125, 68450, 69745, 71188, 79402, 88985, 94250, 107300, 120250, 134125, 136900, 139490, 158804, 171125, 177970, 188500, 198505, 240500, 268250, 278980, 342250, 348725, 355940, 397010, 444925, 516113, 536500, 684500, 697450, 794020, 889850, 992525, 1032226, 1394900, 1743625, 1779700, 1985050, 2064452, 2224625, 2580565, 3487250, 3970100, 4449250, 4962625, 5161130, 6974500, 8898500, 9925250, 10322260, 12902825, 19850500, 25805650, 51611300, 64514125, 129028250, 258056500]

約数ペア:

[(1, 258056500), (2, 129028250), (4, 64514125), (5, 51611300), (10, 25805650), (13, 19850500), (20, 12902825), (25, 10322260), (26, 9925250), (29, 8898500), (37, 6974500), (50, 5161130), (52, 4962625), (58, 4449250), (65, 3970100), (74, 3487250), (100, 2580565), (116, 2224625), (125, 2064452), (130, 1985050), (145, 1779700), (148, 1743625), (185, 1394900), (250, 1032226), (260, 992525), (290, 889850), (325, 794020), (370, 697450), (377, 684500), (481, 536500), (500, 516113), (580, 444925), (650, 397010), (725, 355940), (740, 348725), (754, 342250), (925, 278980), (962, 268250), (1073, 240500), (1300, 198505), (1369, 188500), (1450, 177970), (1508, 171125), (1625, 158804), (1850, 139490), (1885, 136900), (1924, 134125), (2146, 120250), (2405, 107300), (2738, 94250), (2900, 88985), (3250, 79402), (3625, 71188), (3700, 69745), (3770, 68450), (4292, 60125), (4625, 55796), (4810, 53650), (5365, 48100), (5476, 47125), (6500, 39701), (6845, 37700), (7250, 35594), (7540, 34225), (9250, 27898), (9425, 27380), (9620, 26825), (10730, 24050), (12025, 21460), (13690, 18850), (13949, 18500), (14500, 17797)]