348520640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:650

約数の個数: 112

約数和(自身を含む): 900379200

約数和(自身を除く): 551858560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 199, 208, 260, 320, 398, 416, 421, 520, 796, 832, 842, 995, 1040, 1592, 1684, 1990, 2080, 2105, 2587, 3184, 3368, 3980, 4160, 4210, 5174, 5473, 6368, 6736, 7960, 8420, 10348, 10946, 12736, 12935, 13472, 15920, 16840, 20696, 21892, 25870, 26944, 27365, 31840, 33680, 41392, 43784, 51740, 54730, 63680, 67360, 82784, 83779, 87568, 103480, 109460, 134720, 165568, 167558, 175136, 206960, 218920, 335116, 350272, 413920, 418895, 437840, 670232, 827840, 837790, 875680, 1089127, 1340464, 1675580, 1751360, 2178254, 2680928, 3351160, 4356508, 5361856, 5445635, 6702320, 8713016, 10891270, 13404640, 17426032, 21782540, 26809280, 34852064, 43565080, 69704128, 87130160, 174260320, 348520640]

約数ペア:

[(1, 348520640), (2, 174260320), (4, 87130160), (5, 69704128), (8, 43565080), (10, 34852064), (13, 26809280), (16, 21782540), (20, 17426032), (26, 13404640), (32, 10891270), (40, 8713016), (52, 6702320), (64, 5445635), (65, 5361856), (80, 4356508), (104, 3351160), (130, 2680928), (160, 2178254), (199, 1751360), (208, 1675580), (260, 1340464), (320, 1089127), (398, 875680), (416, 837790), (421, 827840), (520, 670232), (796, 437840), (832, 418895), (842, 413920), (995, 350272), (1040, 335116), (1592, 218920), (1684, 206960), (1990, 175136), (2080, 167558), (2105, 165568), (2587, 134720), (3184, 109460), (3368, 103480), (3980, 87568), (4160, 83779), (4210, 82784), (5174, 67360), (5473, 63680), (6368, 54730), (6736, 51740), (7960, 43784), (8420, 41392), (10348, 33680), (10946, 31840), (12736, 27365), (12935, 26944), (13472, 25870), (15920, 21892), (16840, 20696)]