209081510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1517

約数の個数: 64

約数和(自身を含む): 438566400

約数和(自身を除く): 229484890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 110, 142, 190, 209, 355, 418, 710, 781, 1045, 1349, 1409, 1562, 2090, 2698, 2818, 3905, 6745, 7045, 7810, 13490, 14090, 14839, 15499, 26771, 29678, 30998, 53542, 74195, 77495, 100039, 133855, 148390, 154990, 200078, 267710, 294481, 500195, 588962, 1000390, 1100429, 1472405, 1900741, 2200858, 2944810, 3801482, 5502145, 9503705, 11004290, 19007410, 20908151, 41816302, 104540755, 209081510]

約数ペア:

[(1, 209081510), (2, 104540755), (5, 41816302), (10, 20908151), (11, 19007410), (19, 11004290), (22, 9503705), (38, 5502145), (55, 3801482), (71, 2944810), (95, 2200858), (110, 1900741), (142, 1472405), (190, 1100429), (209, 1000390), (355, 588962), (418, 500195), (710, 294481), (781, 267710), (1045, 200078), (1349, 154990), (1409, 148390), (1562, 133855), (2090, 100039), (2698, 77495), (2818, 74195), (3905, 53542), (6745, 30998), (7045, 29678), (7810, 26771), (13490, 15499), (14090, 14839)]