90040250

素因数分解:

$2^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 176117760

約数和(自身を除く): 86077510

約数列:

[1, 2, 5, 10, 25, 47, 50, 79, 94, 97, 125, 158, 194, 235, 250, 395, 470, 485, 790, 970, 1175, 1975, 2350, 2425, 3713, 3950, 4559, 4850, 5875, 7426, 7663, 9118, 9875, 11750, 12125, 15326, 18565, 19750, 22795, 24250, 37130, 38315, 45590, 76630, 92825, 113975, 185650, 191575, 227950, 360161, 383150, 464125, 569875, 720322, 928250, 957875, 1139750, 1800805, 1915750, 3601610, 9004025, 18008050, 45020125, 90040250]

約数ペア:

[(1, 90040250), (2, 45020125), (5, 18008050), (10, 9004025), (25, 3601610), (47, 1915750), (50, 1800805), (79, 1139750), (94, 957875), (97, 928250), (125, 720322), (158, 569875), (194, 464125), (235, 383150), (250, 360161), (395, 227950), (470, 191575), (485, 185650), (790, 113975), (970, 92825), (1175, 76630), (1975, 45590), (2350, 38315), (2425, 37130), (3713, 24250), (3950, 22795), (4559, 19750), (4850, 18565), (5875, 15326), (7426, 12125), (7663, 11750), (9118, 9875)]