86221420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 186429600

約数和(自身を除く): 100208180

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 295, 356, 445, 590, 821, 890, 1180, 1642, 1780, 3284, 4105, 5251, 8210, 10502, 16420, 21004, 26255, 48439, 52510, 73069, 96878, 105020, 146138, 193756, 242195, 292276, 365345, 484390, 730690, 968780, 1461380, 4311071, 8622142, 17244284, 21555355, 43110710, 86221420]

約数ペア:

[(1, 86221420), (2, 43110710), (4, 21555355), (5, 17244284), (10, 8622142), (20, 4311071), (59, 1461380), (89, 968780), (118, 730690), (178, 484390), (236, 365345), (295, 292276), (356, 242195), (445, 193756), (590, 146138), (821, 105020), (890, 96878), (1180, 73069), (1642, 52510), (1780, 48439), (3284, 26255), (4105, 21004), (5251, 16420), (8210, 10502)]