221821960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5507}}^1$

素因数の和:5590

約数の個数: 64

約数和(自身を含む): 535377600

約数和(自身を除く): 313555640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 4028, 5035, 5507, 8056, 10070, 11014, 20140, 22028, 27535, 40280, 44056, 55070, 104633, 110140, 209266, 220280, 291871, 418532, 523165, 583742, 837064, 1046330, 1167484, 1459355, 2092660, 2334968, 2918710, 4185320, 5545549, 5837420, 11091098, 11674840, 22182196, 27727745, 44364392, 55455490, 110910980, 221821960]

約数ペア:

[(1, 221821960), (2, 110910980), (4, 55455490), (5, 44364392), (8, 27727745), (10, 22182196), (19, 11674840), (20, 11091098), (38, 5837420), (40, 5545549), (53, 4185320), (76, 2918710), (95, 2334968), (106, 2092660), (152, 1459355), (190, 1167484), (212, 1046330), (265, 837064), (380, 583742), (424, 523165), (530, 418532), (760, 291871), (1007, 220280), (1060, 209266), (2014, 110140), (2120, 104633), (4028, 55070), (5035, 44056), (5507, 40280), (8056, 27535), (10070, 22028), (11014, 20140)]