819484130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 1541369088

約数和(自身を除く): 721884958

約数列:

[1, 2, 5, 10, 71, 73, 97, 142, 146, 163, 194, 326, 355, 365, 485, 710, 730, 815, 970, 1630, 5183, 6887, 7081, 10366, 11573, 11899, 13774, 14162, 15811, 23146, 23798, 25915, 31622, 34435, 35405, 51830, 57865, 59495, 68870, 70810, 79055, 115730, 118990, 158110, 502751, 844829, 1005502, 1122581, 1154203, 1689658, 2245162, 2308406, 2513755, 4224145, 5027510, 5612905, 5771015, 8448290, 11225810, 11542030, 81948413, 163896826, 409742065, 819484130]

約数ペア:

[(1, 819484130), (2, 409742065), (5, 163896826), (10, 81948413), (71, 11542030), (73, 11225810), (97, 8448290), (142, 5771015), (146, 5612905), (163, 5027510), (194, 4224145), (326, 2513755), (355, 2308406), (365, 2245162), (485, 1689658), (710, 1154203), (730, 1122581), (815, 1005502), (970, 844829), (1630, 502751), (5183, 158110), (6887, 118990), (7081, 115730), (10366, 79055), (11573, 70810), (11899, 68870), (13774, 59495), (14162, 57865), (15811, 51830), (23146, 35405), (23798, 34435), (25915, 31622)]