3454990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 7904304

約数和(自身を除く): 4449314

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 641, 770, 1078, 1282, 2695, 3205, 4487, 5390, 6410, 7051, 8974, 14102, 22435, 31409, 35255, 44870, 49357, 62818, 70510, 98714, 157045, 246785, 314090, 345499, 493570, 690998, 1727495, 3454990]

約数ペア:

[(1, 3454990), (2, 1727495), (5, 690998), (7, 493570), (10, 345499), (11, 314090), (14, 246785), (22, 157045), (35, 98714), (49, 70510), (55, 62818), (70, 49357), (77, 44870), (98, 35255), (110, 31409), (154, 22435), (245, 14102), (385, 8974), (490, 7051), (539, 6410), (641, 5390), (770, 4487), (1078, 3205), (1282, 2695)]