220221680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{56179}}^1$

素因数の和:56206

約数の個数: 60

約数和(自身を含む): 595620360

約数和(自身を除く): 375398680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 56179, 112358, 224716, 280895, 393253, 449432, 561790, 786506, 898864, 1123580, 1573012, 1966265, 2247160, 2752771, 3146024, 3932530, 4494320, 5505542, 6292048, 7865060, 11011084, 13763855, 15730120, 22022168, 27527710, 31460240, 44044336, 55055420, 110110840, 220221680]

約数ペア:

[(1, 220221680), (2, 110110840), (4, 55055420), (5, 44044336), (7, 31460240), (8, 27527710), (10, 22022168), (14, 15730120), (16, 13763855), (20, 11011084), (28, 7865060), (35, 6292048), (40, 5505542), (49, 4494320), (56, 3932530), (70, 3146024), (80, 2752771), (98, 2247160), (112, 1966265), (140, 1573012), (196, 1123580), (245, 898864), (280, 786506), (392, 561790), (490, 449432), (560, 393253), (784, 280895), (980, 224716), (1960, 112358), (3920, 56179)]