1657194920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1\times {\mathrm{587}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 3766633920

約数和(自身を除く): 2109439000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 433, 587, 652, 815, 866, 1174, 1304, 1630, 1732, 2165, 2348, 2935, 3260, 3464, 4330, 4696, 5870, 6520, 8660, 11740, 17320, 23480, 70579, 95681, 141158, 191362, 254171, 282316, 352895, 382724, 478405, 508342, 564632, 705790, 765448, 956810, 1016684, 1270855, 1411580, 1913620, 2033368, 2541710, 2823160, 3827240, 5083420, 10166840, 41429873, 82859746, 165719492, 207149365, 331438984, 414298730, 828597460, 1657194920]

約数ペア:

[(1, 1657194920), (2, 828597460), (4, 414298730), (5, 331438984), (8, 207149365), (10, 165719492), (20, 82859746), (40, 41429873), (163, 10166840), (326, 5083420), (433, 3827240), (587, 2823160), (652, 2541710), (815, 2033368), (866, 1913620), (1174, 1411580), (1304, 1270855), (1630, 1016684), (1732, 956810), (2165, 765448), (2348, 705790), (2935, 564632), (3260, 508342), (3464, 478405), (4330, 382724), (4696, 352895), (5870, 282316), (6520, 254171), (8660, 191362), (11740, 141158), (17320, 95681), (23480, 70579)]