297777025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 484205120

約数和(自身を除く): 186428095

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 83, 91, 95, 133, 175, 247, 325, 415, 455, 475, 581, 665, 1079, 1235, 1577, 1729, 2075, 2275, 2905, 3325, 5395, 6175, 6889, 7553, 7885, 8645, 11039, 14525, 20501, 26975, 34445, 37765, 39425, 43225, 48223, 55195, 89557, 102505, 130891, 143507, 172225, 188825, 241115, 275975, 447785, 512525, 626899, 654455, 717535, 916237, 1205575, 1701583, 2238925, 3134495, 3272275, 3587675, 4581185, 8507915, 11911081, 15672475, 22905925, 42539575, 59555405, 297777025]

約数ペア:

[(1, 297777025), (5, 59555405), (7, 42539575), (13, 22905925), (19, 15672475), (25, 11911081), (35, 8507915), (65, 4581185), (83, 3587675), (91, 3272275), (95, 3134495), (133, 2238925), (175, 1701583), (247, 1205575), (325, 916237), (415, 717535), (455, 654455), (475, 626899), (581, 512525), (665, 447785), (1079, 275975), (1235, 241115), (1577, 188825), (1729, 172225), (2075, 143507), (2275, 130891), (2905, 102505), (3325, 89557), (5395, 55195), (6175, 48223), (6889, 43225), (7553, 39425), (7885, 37765), (8645, 34445), (11039, 26975), (14525, 20501)]