139173680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 334853568

約数和(自身を除く): 195679888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 151, 164, 205, 281, 302, 328, 410, 562, 604, 656, 755, 820, 1124, 1208, 1405, 1510, 1640, 2248, 2416, 2810, 3020, 3280, 4496, 5620, 6040, 6191, 11240, 11521, 12080, 12382, 22480, 23042, 24764, 30955, 42431, 46084, 49528, 57605, 61910, 84862, 92168, 99056, 115210, 123820, 169724, 184336, 212155, 230420, 247640, 339448, 424310, 460840, 495280, 678896, 848620, 921680, 1697240, 1739671, 3394480, 3479342, 6958684, 8698355, 13917368, 17396710, 27834736, 34793420, 69586840, 139173680]

約数ペア:

[(1, 139173680), (2, 69586840), (4, 34793420), (5, 27834736), (8, 17396710), (10, 13917368), (16, 8698355), (20, 6958684), (40, 3479342), (41, 3394480), (80, 1739671), (82, 1697240), (151, 921680), (164, 848620), (205, 678896), (281, 495280), (302, 460840), (328, 424310), (410, 339448), (562, 247640), (604, 230420), (656, 212155), (755, 184336), (820, 169724), (1124, 123820), (1208, 115210), (1405, 99056), (1510, 92168), (1640, 84862), (2248, 61910), (2416, 57605), (2810, 49528), (3020, 46084), (3280, 42431), (4496, 30955), (5620, 24764), (6040, 23042), (6191, 22480), (11240, 12382), (11521, 12080)]