71325940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6449}}^1$

素因数の和:6544

約数の個数: 48

約数和(自身を含む): 173376000

約数和(自身を除く): 102050060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 6449, 11060, 12898, 25796, 32245, 45143, 64490, 90286, 128980, 180572, 225715, 451430, 509471, 902860, 1018942, 2037884, 2547355, 3566297, 5094710, 7132594, 10189420, 14265188, 17831485, 35662970, 71325940]

約数ペア:

[(1, 71325940), (2, 35662970), (4, 17831485), (5, 14265188), (7, 10189420), (10, 7132594), (14, 5094710), (20, 3566297), (28, 2547355), (35, 2037884), (70, 1018942), (79, 902860), (140, 509471), (158, 451430), (316, 225715), (395, 180572), (553, 128980), (790, 90286), (1106, 64490), (1580, 45143), (2212, 32245), (2765, 25796), (5530, 12898), (6449, 11060)]