3138940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3203}}^1$

素因数の和:3226

約数の個数: 36

約数和(自身を含む): 7670376

約数和(自身を除く): 4531436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3203, 6406, 12812, 16015, 22421, 32030, 44842, 64060, 89684, 112105, 156947, 224210, 313894, 448420, 627788, 784735, 1569470, 3138940]

約数ペア:

[(1, 3138940), (2, 1569470), (4, 784735), (5, 627788), (7, 448420), (10, 313894), (14, 224210), (20, 156947), (28, 112105), (35, 89684), (49, 64060), (70, 44842), (98, 32030), (140, 22421), (196, 16015), (245, 12812), (490, 6406), (980, 3203)]