870899895

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 1638973440

約数和(自身を除く): 768073545

約数列:

[1, 3, 5, 9, 15, 31, 37, 45, 47, 93, 111, 141, 155, 185, 235, 279, 333, 359, 423, 465, 555, 705, 1077, 1147, 1395, 1457, 1665, 1739, 1795, 2115, 3231, 3441, 4371, 5217, 5385, 5735, 7285, 8695, 10323, 11129, 13113, 13283, 15651, 16155, 16873, 17205, 21855, 26085, 33387, 39849, 50619, 51615, 53909, 55645, 65565, 66415, 78255, 84365, 100161, 119547, 151857, 161727, 166935, 199245, 253095, 269545, 411773, 485181, 500805, 523063, 597735, 624301, 759285, 808635, 1235319, 1569189, 1872903, 2058865, 2425905, 2615315, 3121505, 3705957, 4707567, 5618709, 6176595, 7845945, 9364515, 18529785, 19353331, 23537835, 28093545, 58059993, 96766655, 174179979, 290299965, 870899895]

約数ペア:

[(1, 870899895), (3, 290299965), (5, 174179979), (9, 96766655), (15, 58059993), (31, 28093545), (37, 23537835), (45, 19353331), (47, 18529785), (93, 9364515), (111, 7845945), (141, 6176595), (155, 5618709), (185, 4707567), (235, 3705957), (279, 3121505), (333, 2615315), (359, 2425905), (423, 2058865), (465, 1872903), (555, 1569189), (705, 1235319), (1077, 808635), (1147, 759285), (1395, 624301), (1457, 597735), (1665, 523063), (1739, 500805), (1795, 485181), (2115, 411773), (3231, 269545), (3441, 253095), (4371, 199245), (5217, 166935), (5385, 161727), (5735, 151857), (7285, 119547), (8695, 100161), (10323, 84365), (11129, 78255), (13113, 66415), (13283, 65565), (15651, 55645), (16155, 53909), (16873, 51615), (17205, 50619), (21855, 39849), (26085, 33387)]