858784760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{4259}}^1$

素因数の和:4412

約数の個数: 48

約数和(自身を含む): 1960324200

約数和(自身を除く): 1101539440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4259, 5041, 8518, 10082, 17036, 20164, 21295, 25205, 34072, 40328, 42590, 50410, 85180, 100820, 170360, 201640, 302389, 604778, 1209556, 1511945, 2419112, 3023890, 6047780, 12095560, 21469619, 42939238, 85878476, 107348095, 171756952, 214696190, 429392380, 858784760]

約数ペア:

[(1, 858784760), (2, 429392380), (4, 214696190), (5, 171756952), (8, 107348095), (10, 85878476), (20, 42939238), (40, 21469619), (71, 12095560), (142, 6047780), (284, 3023890), (355, 2419112), (568, 1511945), (710, 1209556), (1420, 604778), (2840, 302389), (4259, 201640), (5041, 170360), (8518, 100820), (10082, 85180), (17036, 50410), (20164, 42590), (21295, 40328), (25205, 34072)]