231520280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3371}}^1$

素因数の和:3500

約数の個数: 64

約数和(自身を含む): 557189280

約数和(自身を除く): 325669000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 808, 1010, 1717, 2020, 3371, 3434, 4040, 6742, 6868, 8585, 13484, 13736, 16855, 17170, 26968, 33710, 34340, 57307, 67420, 68680, 114614, 134840, 229228, 286535, 340471, 458456, 573070, 680942, 1146140, 1361884, 1702355, 2292280, 2723768, 3404710, 5788007, 6809420, 11576014, 13618840, 23152028, 28940035, 46304056, 57880070, 115760140, 231520280]

約数ペア:

[(1, 231520280), (2, 115760140), (4, 57880070), (5, 46304056), (8, 28940035), (10, 23152028), (17, 13618840), (20, 11576014), (34, 6809420), (40, 5788007), (68, 3404710), (85, 2723768), (101, 2292280), (136, 1702355), (170, 1361884), (202, 1146140), (340, 680942), (404, 573070), (505, 458456), (680, 340471), (808, 286535), (1010, 229228), (1717, 134840), (2020, 114614), (3371, 68680), (3434, 67420), (4040, 57307), (6742, 34340), (6868, 33710), (8585, 26968), (13484, 17170), (13736, 16855)]