129356900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 292168800

約数和(自身を除く): 162811900

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 67, 86, 100, 134, 172, 215, 268, 335, 430, 449, 670, 860, 898, 1075, 1340, 1675, 1796, 2150, 2245, 2881, 3350, 4300, 4490, 5762, 6700, 8980, 11225, 11524, 14405, 19307, 22450, 28810, 30083, 38614, 44900, 57620, 60166, 72025, 77228, 96535, 120332, 144050, 150415, 193070, 288100, 300830, 386140, 482675, 601660, 752075, 965350, 1293569, 1504150, 1930700, 2587138, 3008300, 5174276, 6467845, 12935690, 25871380, 32339225, 64678450, 129356900]

約数ペア:

[(1, 129356900), (2, 64678450), (4, 32339225), (5, 25871380), (10, 12935690), (20, 6467845), (25, 5174276), (43, 3008300), (50, 2587138), (67, 1930700), (86, 1504150), (100, 1293569), (134, 965350), (172, 752075), (215, 601660), (268, 482675), (335, 386140), (430, 300830), (449, 288100), (670, 193070), (860, 150415), (898, 144050), (1075, 120332), (1340, 96535), (1675, 77228), (1796, 72025), (2150, 60166), (2245, 57620), (2881, 44900), (3350, 38614), (4300, 30083), (4490, 28810), (5762, 22450), (6700, 19307), (8980, 14405), (11225, 11524)]