313021390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149771}}^1$

素因数の和:149808

約数の個数: 32

約数和(自身を含む): 647015040

約数和(自身を除く): 333993650

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 149771, 299542, 748855, 1497710, 1647481, 2845649, 3294962, 5691298, 8237405, 14228245, 16474810, 28456490, 31302139, 62604278, 156510695, 313021390]

約数ペア:

[(1, 313021390), (2, 156510695), (5, 62604278), (10, 31302139), (11, 28456490), (19, 16474810), (22, 14228245), (38, 8237405), (55, 5691298), (95, 3294962), (110, 2845649), (190, 1647481), (209, 1497710), (418, 748855), (1045, 299542), (2090, 149771)]