76746920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 177120000

約数和(自身を除く): 100373080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 149, 158, 163, 298, 316, 326, 395, 596, 632, 652, 745, 790, 815, 1192, 1304, 1490, 1580, 1630, 2980, 3160, 3260, 5960, 6520, 11771, 12877, 23542, 24287, 25754, 47084, 48574, 51508, 58855, 64385, 94168, 97148, 103016, 117710, 121435, 128770, 194296, 235420, 242870, 257540, 470840, 485740, 515080, 971480, 1918673, 3837346, 7674692, 9593365, 15349384, 19186730, 38373460, 76746920]

約数ペア:

[(1, 76746920), (2, 38373460), (4, 19186730), (5, 15349384), (8, 9593365), (10, 7674692), (20, 3837346), (40, 1918673), (79, 971480), (149, 515080), (158, 485740), (163, 470840), (298, 257540), (316, 242870), (326, 235420), (395, 194296), (596, 128770), (632, 121435), (652, 117710), (745, 103016), (790, 97148), (815, 94168), (1192, 64385), (1304, 58855), (1490, 51508), (1580, 48574), (1630, 47084), (2980, 25754), (3160, 24287), (3260, 23542), (5960, 12877), (6520, 11771)]