3140900

素因数分解:

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

素因数の和:669

約数の個数: 54

約数和(自身を含む): 7940898

約数和(自身を除く): 4799998

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 641, 700, 980, 1225, 1282, 2450, 2564, 3205, 4487, 4900, 6410, 8974, 12820, 16025, 17948, 22435, 31409, 32050, 44870, 62818, 64100, 89740, 112175, 125636, 157045, 224350, 314090, 448700, 628180, 785225, 1570450, 3140900]

約数ペア:

[(1, 3140900), (2, 1570450), (4, 785225), (5, 628180), (7, 448700), (10, 314090), (14, 224350), (20, 157045), (25, 125636), (28, 112175), (35, 89740), (49, 64100), (50, 62818), (70, 44870), (98, 32050), (100, 31409), (140, 22435), (175, 17948), (196, 16025), (245, 12820), (350, 8974), (490, 6410), (641, 4900), (700, 4487), (980, 3205), (1225, 2564), (1282, 2450)]