208103680

素因数分解:

$2^8\times 5^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 500959872

約数和(自身を除く): 292856192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 367, 443, 640, 734, 886, 1280, 1468, 1772, 1835, 2215, 2936, 3544, 3670, 4430, 5872, 7088, 7340, 8860, 11744, 14176, 14680, 17720, 23488, 28352, 29360, 35440, 46976, 56704, 58720, 70880, 93952, 113408, 117440, 141760, 162581, 234880, 283520, 325162, 469760, 567040, 650324, 812905, 1300648, 1625810, 2601296, 3251620, 5202592, 6503240, 10405184, 13006480, 20810368, 26012960, 41620736, 52025920, 104051840, 208103680]

約数ペア:

[(1, 208103680), (2, 104051840), (4, 52025920), (5, 41620736), (8, 26012960), (10, 20810368), (16, 13006480), (20, 10405184), (32, 6503240), (40, 5202592), (64, 3251620), (80, 2601296), (128, 1625810), (160, 1300648), (256, 812905), (320, 650324), (367, 567040), (443, 469760), (640, 325162), (734, 283520), (886, 234880), (1280, 162581), (1468, 141760), (1772, 117440), (1835, 113408), (2215, 93952), (2936, 70880), (3544, 58720), (3670, 56704), (4430, 46976), (5872, 35440), (7088, 29360), (7340, 28352), (8860, 23488), (11744, 17720), (14176, 14680)]