261004400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 671300784

約数和(自身を除く): 410296384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 131, 136, 170, 200, 262, 272, 293, 340, 400, 425, 524, 586, 655, 680, 850, 1048, 1172, 1310, 1360, 1465, 1700, 2096, 2227, 2344, 2620, 2930, 3275, 3400, 4454, 4688, 4981, 5240, 5860, 6550, 6800, 7325, 8908, 9962, 10480, 11135, 11720, 13100, 14650, 17816, 19924, 22270, 23440, 24905, 26200, 29300, 35632, 38383, 39848, 44540, 49810, 52400, 55675, 58600, 76766, 79696, 89080, 99620, 111350, 117200, 124525, 153532, 178160, 191915, 199240, 222700, 249050, 307064, 383830, 398480, 445400, 498100, 614128, 652511, 767660, 890800, 959575, 996200, 1305022, 1535320, 1919150, 1992400, 2610044, 3070640, 3262555, 3838300, 5220088, 6525110, 7676600, 10440176, 13050220, 15353200, 16312775, 26100440, 32625550, 52200880, 65251100, 130502200, 261004400]

約数ペア:

[(1, 261004400), (2, 130502200), (4, 65251100), (5, 52200880), (8, 32625550), (10, 26100440), (16, 16312775), (17, 15353200), (20, 13050220), (25, 10440176), (34, 7676600), (40, 6525110), (50, 5220088), (68, 3838300), (80, 3262555), (85, 3070640), (100, 2610044), (131, 1992400), (136, 1919150), (170, 1535320), (200, 1305022), (262, 996200), (272, 959575), (293, 890800), (340, 767660), (400, 652511), (425, 614128), (524, 498100), (586, 445400), (655, 398480), (680, 383830), (850, 307064), (1048, 249050), (1172, 222700), (1310, 199240), (1360, 191915), (1465, 178160), (1700, 153532), (2096, 124525), (2227, 117200), (2344, 111350), (2620, 99620), (2930, 89080), (3275, 79696), (3400, 76766), (4454, 58600), (4688, 55675), (4981, 52400), (5240, 49810), (5860, 44540), (6550, 39848), (6800, 38383), (7325, 35632), (8908, 29300), (9962, 26200), (10480, 24905), (11135, 23440), (11720, 22270), (13100, 19924), (14650, 17816)]