889014920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{162229}}^1$

素因数の和:162377

約数の個数: 32

約数和(自身を含む): 2014896600

約数和(自身を除く): 1125881680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 162229, 324458, 648916, 811145, 1297832, 1622290, 3244580, 6489160, 22225373, 44450746, 88901492, 111126865, 177802984, 222253730, 444507460, 889014920]

約数ペア:

[(1, 889014920), (2, 444507460), (4, 222253730), (5, 177802984), (8, 111126865), (10, 88901492), (20, 44450746), (40, 22225373), (137, 6489160), (274, 3244580), (548, 1622290), (685, 1297832), (1096, 811145), (1370, 648916), (2740, 324458), (5480, 162229)]