312781630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{144139}}^1$

素因数の和:144184

約数の個数: 32

約数和(自身を含む): 664197120

約数和(自身を除く): 351415490

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 144139, 288278, 720695, 1008973, 1441390, 2017946, 4468309, 5044865, 8936618, 10089730, 22341545, 31278163, 44683090, 62556326, 156390815, 312781630]

約数ペア:

[(1, 312781630), (2, 156390815), (5, 62556326), (7, 44683090), (10, 31278163), (14, 22341545), (31, 10089730), (35, 8936618), (62, 5044865), (70, 4468309), (155, 2017946), (217, 1441390), (310, 1008973), (434, 720695), (1085, 288278), (2170, 144139)]