137885720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16981}}^1$

素因数の和:17028

約数の個数: 64

約数和(自身を含む): 366811200

約数和(自身を除く): 228925480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 16981, 33962, 67924, 84905, 118867, 135848, 169810, 237734, 339620, 475468, 492449, 594335, 679240, 950936, 984898, 1188670, 1969796, 2377340, 2462245, 3447143, 3939592, 4754680, 4924490, 6894286, 9848980, 13788572, 17235715, 19697960, 27577144, 34471430, 68942860, 137885720]

約数ペア:

[(1, 137885720), (2, 68942860), (4, 34471430), (5, 27577144), (7, 19697960), (8, 17235715), (10, 13788572), (14, 9848980), (20, 6894286), (28, 4924490), (29, 4754680), (35, 3939592), (40, 3447143), (56, 2462245), (58, 2377340), (70, 1969796), (116, 1188670), (140, 984898), (145, 950936), (203, 679240), (232, 594335), (280, 492449), (290, 475468), (406, 339620), (580, 237734), (812, 169810), (1015, 135848), (1160, 118867), (1624, 84905), (2030, 67924), (4060, 33962), (8120, 16981)]