173656220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 372556800

約数和(自身を除く): 198900580

約数列:

[1, 2, 4, 5, 10, 20, 79, 131, 158, 262, 316, 395, 524, 655, 790, 839, 1310, 1580, 1678, 2620, 3356, 4195, 8390, 10349, 16780, 20698, 41396, 51745, 66281, 103490, 109909, 132562, 206980, 219818, 265124, 331405, 439636, 549545, 662810, 1099090, 1325620, 2198180, 8682811, 17365622, 34731244, 43414055, 86828110, 173656220]

約数ペア:

[(1, 173656220), (2, 86828110), (4, 43414055), (5, 34731244), (10, 17365622), (20, 8682811), (79, 2198180), (131, 1325620), (158, 1099090), (262, 662810), (316, 549545), (395, 439636), (524, 331405), (655, 265124), (790, 219818), (839, 206980), (1310, 132562), (1580, 109909), (1678, 103490), (2620, 66281), (3356, 51745), (4195, 41396), (8390, 20698), (10349, 16780)]