257975200

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{6581}}^1$

素因数の和:6615

約数の個数: 108

約数和(自身を含む): 732714822

約数和(自身を除く): 474739622

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2450, 2800, 3920, 4900, 5600, 6581, 7840, 9800, 13162, 19600, 26324, 32905, 39200, 46067, 52648, 65810, 92134, 105296, 131620, 164525, 184268, 210592, 230335, 263240, 322469, 329050, 368536, 460670, 526480, 644938, 658100, 737072, 921340, 1052960, 1151675, 1289876, 1316200, 1474144, 1612345, 1842680, 2303350, 2579752, 2632400, 3224690, 3685360, 4606700, 5159504, 5264800, 6449380, 7370720, 8061725, 9213400, 10319008, 12898760, 16123450, 18426800, 25797520, 32246900, 36853600, 51595040, 64493800, 128987600, 257975200]

約数ペア:

[(1, 257975200), (2, 128987600), (4, 64493800), (5, 51595040), (7, 36853600), (8, 32246900), (10, 25797520), (14, 18426800), (16, 16123450), (20, 12898760), (25, 10319008), (28, 9213400), (32, 8061725), (35, 7370720), (40, 6449380), (49, 5264800), (50, 5159504), (56, 4606700), (70, 3685360), (80, 3224690), (98, 2632400), (100, 2579752), (112, 2303350), (140, 1842680), (160, 1612345), (175, 1474144), (196, 1316200), (200, 1289876), (224, 1151675), (245, 1052960), (280, 921340), (350, 737072), (392, 658100), (400, 644938), (490, 526480), (560, 460670), (700, 368536), (784, 329050), (800, 322469), (980, 263240), (1120, 230335), (1225, 210592), (1400, 184268), (1568, 164525), (1960, 131620), (2450, 105296), (2800, 92134), (3920, 65810), (4900, 52648), (5600, 46067), (6581, 39200), (7840, 32905), (9800, 26324), (13162, 19600)]