389614120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1391479}}^1$

素因数の和:1391497

約数の個数: 32

約数和(自身を含む): 1001865600

約数和(自身を除く): 612251480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1391479, 2782958, 5565916, 6957395, 9740353, 11131832, 13914790, 19480706, 27829580, 38961412, 48701765, 55659160, 77922824, 97403530, 194807060, 389614120]

約数ペア:

[(1, 389614120), (2, 194807060), (4, 97403530), (5, 77922824), (7, 55659160), (8, 48701765), (10, 38961412), (14, 27829580), (20, 19480706), (28, 13914790), (35, 11131832), (40, 9740353), (56, 6957395), (70, 5565916), (140, 2782958), (280, 1391479)]