64761830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 73478170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 239, 245, 343, 395, 478, 490, 553, 686, 790, 1106, 1195, 1673, 1715, 2390, 2765, 3346, 3430, 3871, 5530, 7742, 8365, 11711, 16730, 18881, 19355, 23422, 27097, 37762, 38710, 54194, 58555, 81977, 94405, 117110, 132167, 135485, 163954, 188810, 264334, 270970, 409885, 660835, 819770, 925169, 1321670, 1850338, 4625845, 6476183, 9251690, 12952366, 32380915, 64761830]

約数ペア:

[(1, 64761830), (2, 32380915), (5, 12952366), (7, 9251690), (10, 6476183), (14, 4625845), (35, 1850338), (49, 1321670), (70, 925169), (79, 819770), (98, 660835), (158, 409885), (239, 270970), (245, 264334), (343, 188810), (395, 163954), (478, 135485), (490, 132167), (553, 117110), (686, 94405), (790, 81977), (1106, 58555), (1195, 54194), (1673, 38710), (1715, 37762), (2390, 27097), (2765, 23422), (3346, 19355), (3430, 18881), (3871, 16730), (5530, 11711), (7742, 8365)]