858864580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211543}}^1$

素因数の和:211588

約数の個数: 48

約数和(自身を含む): 2132363520

約数和(自身を除く): 1273498940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 211543, 423086, 846172, 1057715, 1480801, 2115430, 2961602, 4230860, 5923204, 6134747, 7404005, 12269494, 14808010, 24538988, 29616020, 30673735, 42943229, 61347470, 85886458, 122694940, 171772916, 214716145, 429432290, 858864580]

約数ペア:

[(1, 858864580), (2, 429432290), (4, 214716145), (5, 171772916), (7, 122694940), (10, 85886458), (14, 61347470), (20, 42943229), (28, 30673735), (29, 29616020), (35, 24538988), (58, 14808010), (70, 12269494), (116, 7404005), (140, 6134747), (145, 5923204), (203, 4230860), (290, 2961602), (406, 2115430), (580, 1480801), (812, 1057715), (1015, 846172), (2030, 423086), (4060, 211543)]