4221980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 10342080

約数和(自身を除く): 6120100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 569, 742, 1060, 1138, 1484, 1855, 2276, 2845, 3710, 3983, 5690, 7420, 7966, 11380, 15932, 19915, 30157, 39830, 60314, 79660, 120628, 150785, 211099, 301570, 422198, 603140, 844396, 1055495, 2110990, 4221980]

約数ペア:

[(1, 4221980), (2, 2110990), (4, 1055495), (5, 844396), (7, 603140), (10, 422198), (14, 301570), (20, 211099), (28, 150785), (35, 120628), (53, 79660), (70, 60314), (106, 39830), (140, 30157), (212, 19915), (265, 15932), (371, 11380), (530, 7966), (569, 7420), (742, 5690), (1060, 3983), (1138, 3710), (1484, 2845), (1855, 2276)]