208519480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2927}}^1$

素因数の和:3088

約数の個数: 64

約数和(自身を含む): 509120640

約数和(自身を除く): 300601160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 2927, 3562, 5480, 5854, 7124, 8905, 11708, 14248, 14635, 17810, 23416, 29270, 35620, 38051, 58540, 71240, 76102, 117080, 152204, 190255, 304408, 380510, 400999, 761020, 801998, 1522040, 1603996, 2004995, 3207992, 4009990, 5212987, 8019980, 10425974, 16039960, 20851948, 26064935, 41703896, 52129870, 104259740, 208519480]

約数ペア:

[(1, 208519480), (2, 104259740), (4, 52129870), (5, 41703896), (8, 26064935), (10, 20851948), (13, 16039960), (20, 10425974), (26, 8019980), (40, 5212987), (52, 4009990), (65, 3207992), (104, 2004995), (130, 1603996), (137, 1522040), (260, 801998), (274, 761020), (520, 400999), (548, 380510), (685, 304408), (1096, 190255), (1370, 152204), (1781, 117080), (2740, 76102), (2927, 71240), (3562, 58540), (5480, 38051), (5854, 35620), (7124, 29270), (8905, 23416), (11708, 17810), (14248, 14635)]