7890130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 15111360

約数和(自身を除く): 7221230

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 317, 634, 655, 1310, 1585, 2489, 3170, 4978, 6023, 12046, 12445, 24890, 30115, 41527, 60230, 83054, 207635, 415270, 789013, 1578026, 3945065, 7890130]

約数ペア:

[(1, 7890130), (2, 3945065), (5, 1578026), (10, 789013), (19, 415270), (38, 207635), (95, 83054), (131, 60230), (190, 41527), (262, 30115), (317, 24890), (634, 12445), (655, 12046), (1310, 6023), (1585, 4978), (2489, 3170)]