257076040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2237}}^1$

素因数の和:2291

約数の個数: 96

約数和(自身を含む): 663477480

約数和(自身を除く): 406401440

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 169, 170, 221, 260, 338, 340, 442, 520, 676, 680, 845, 884, 1105, 1352, 1690, 1768, 2210, 2237, 2873, 3380, 4420, 4474, 5746, 6760, 8840, 8948, 11185, 11492, 14365, 17896, 22370, 22984, 28730, 29081, 38029, 44740, 57460, 58162, 76058, 89480, 114920, 116324, 145405, 152116, 190145, 232648, 290810, 304232, 378053, 380290, 494377, 581620, 756106, 760580, 988754, 1163240, 1512212, 1521160, 1890265, 1977508, 2471885, 3024424, 3780530, 3955016, 4943770, 6426901, 7561060, 9887540, 12853802, 15122120, 19775080, 25707604, 32134505, 51415208, 64269010, 128538020, 257076040]

約数ペア:

[(1, 257076040), (2, 128538020), (4, 64269010), (5, 51415208), (8, 32134505), (10, 25707604), (13, 19775080), (17, 15122120), (20, 12853802), (26, 9887540), (34, 7561060), (40, 6426901), (52, 4943770), (65, 3955016), (68, 3780530), (85, 3024424), (104, 2471885), (130, 1977508), (136, 1890265), (169, 1521160), (170, 1512212), (221, 1163240), (260, 988754), (338, 760580), (340, 756106), (442, 581620), (520, 494377), (676, 380290), (680, 378053), (845, 304232), (884, 290810), (1105, 232648), (1352, 190145), (1690, 152116), (1768, 145405), (2210, 116324), (2237, 114920), (2873, 89480), (3380, 76058), (4420, 58162), (4474, 57460), (5746, 44740), (6760, 38029), (8840, 29081), (8948, 28730), (11185, 22984), (11492, 22370), (14365, 17896)]