206514840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245851}}^1$

素因数の和:245872

約数の個数: 64

約数和(自身を含む): 708053760

約数和(自身を除く): 501538920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 245851, 491702, 737553, 983404, 1229255, 1475106, 1720957, 1966808, 2458510, 2950212, 3441914, 3687765, 4917020, 5162871, 5900424, 6883828, 7375530, 8604785, 9834040, 10325742, 13767656, 14751060, 17209570, 20651484, 25814355, 29502120, 34419140, 41302968, 51628710, 68838280, 103257420, 206514840]

約数ペア:

[(1, 206514840), (2, 103257420), (3, 68838280), (4, 51628710), (5, 41302968), (6, 34419140), (7, 29502120), (8, 25814355), (10, 20651484), (12, 17209570), (14, 14751060), (15, 13767656), (20, 10325742), (21, 9834040), (24, 8604785), (28, 7375530), (30, 6883828), (35, 5900424), (40, 5162871), (42, 4917020), (56, 3687765), (60, 3441914), (70, 2950212), (84, 2458510), (105, 1966808), (120, 1720957), (140, 1475106), (168, 1229255), (210, 983404), (280, 737553), (420, 491702), (840, 245851)]