260631700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 688705920

約数和(自身を除く): 428074220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 37, 50, 58, 70, 74, 100, 116, 140, 145, 148, 175, 185, 203, 259, 290, 347, 350, 370, 406, 518, 580, 694, 700, 725, 740, 812, 925, 1015, 1036, 1073, 1295, 1388, 1450, 1735, 1850, 2030, 2146, 2429, 2590, 2900, 3470, 3700, 4060, 4292, 4858, 5075, 5180, 5365, 6475, 6940, 7511, 8675, 9716, 10063, 10150, 10730, 12145, 12839, 12950, 15022, 17350, 20126, 20300, 21460, 24290, 25678, 25900, 26825, 30044, 34700, 37555, 40252, 48580, 50315, 51356, 53650, 60725, 64195, 70441, 75110, 89873, 100630, 107300, 121450, 128390, 140882, 150220, 179746, 187775, 201260, 242900, 251575, 256780, 281764, 320975, 352205, 359492, 372331, 375550, 449365, 503150, 641950, 704410, 744662, 751100, 898730, 1006300, 1283900, 1408820, 1489324, 1761025, 1797460, 1861655, 2246825, 2606317, 3522050, 3723310, 4493650, 5212634, 7044100, 7446620, 8987300, 9308275, 10425268, 13031585, 18616550, 26063170, 37233100, 52126340, 65157925, 130315850, 260631700]

約数ペア:

[(1, 260631700), (2, 130315850), (4, 65157925), (5, 52126340), (7, 37233100), (10, 26063170), (14, 18616550), (20, 13031585), (25, 10425268), (28, 9308275), (29, 8987300), (35, 7446620), (37, 7044100), (50, 5212634), (58, 4493650), (70, 3723310), (74, 3522050), (100, 2606317), (116, 2246825), (140, 1861655), (145, 1797460), (148, 1761025), (175, 1489324), (185, 1408820), (203, 1283900), (259, 1006300), (290, 898730), (347, 751100), (350, 744662), (370, 704410), (406, 641950), (518, 503150), (580, 449365), (694, 375550), (700, 372331), (725, 359492), (740, 352205), (812, 320975), (925, 281764), (1015, 256780), (1036, 251575), (1073, 242900), (1295, 201260), (1388, 187775), (1450, 179746), (1735, 150220), (1850, 140882), (2030, 128390), (2146, 121450), (2429, 107300), (2590, 100630), (2900, 89873), (3470, 75110), (3700, 70441), (4060, 64195), (4292, 60725), (4858, 53650), (5075, 51356), (5180, 50315), (5365, 48580), (6475, 40252), (6940, 37555), (7511, 34700), (8675, 30044), (9716, 26825), (10063, 25900), (10150, 25678), (10730, 24290), (12145, 21460), (12839, 20300), (12950, 20126), (15022, 17350)]