858971590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 1634256000

約数和(自身を除く): 775284410

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 149, 193, 206, 290, 298, 386, 515, 745, 965, 1030, 1490, 1930, 2987, 4321, 5597, 5974, 8642, 11194, 14935, 15347, 19879, 21605, 27985, 28757, 29870, 30694, 39758, 43210, 55970, 57514, 76735, 99395, 143785, 153470, 198790, 287570, 445063, 576491, 833953, 890126, 1152982, 1667906, 2225315, 2882455, 2961971, 4169765, 4450630, 5764910, 5923942, 8339530, 14809855, 29619710, 85897159, 171794318, 429485795, 858971590]

約数ペア:

[(1, 858971590), (2, 429485795), (5, 171794318), (10, 85897159), (29, 29619710), (58, 14809855), (103, 8339530), (145, 5923942), (149, 5764910), (193, 4450630), (206, 4169765), (290, 2961971), (298, 2882455), (386, 2225315), (515, 1667906), (745, 1152982), (965, 890126), (1030, 833953), (1490, 576491), (1930, 445063), (2987, 287570), (4321, 198790), (5597, 153470), (5974, 143785), (8642, 99395), (11194, 76735), (14935, 57514), (15347, 55970), (19879, 43210), (21605, 39758), (27985, 30694), (28757, 29870)]