90313775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 124867008

約数和(自身を除く): 34553233

約数列:

[1, 5, 17, 25, 41, 71, 73, 85, 205, 355, 365, 425, 697, 1025, 1207, 1241, 1775, 1825, 2911, 2993, 3485, 5183, 6035, 6205, 14555, 14965, 17425, 25915, 30175, 31025, 49487, 50881, 72775, 74825, 88111, 129575, 212503, 247435, 254405, 440555, 1062515, 1237175, 1272025, 2202775, 3612551, 5312575, 18062755, 90313775]

約数ペア:

[(1, 90313775), (5, 18062755), (17, 5312575), (25, 3612551), (41, 2202775), (71, 1272025), (73, 1237175), (85, 1062515), (205, 440555), (355, 254405), (365, 247435), (425, 212503), (697, 129575), (1025, 88111), (1207, 74825), (1241, 72775), (1775, 50881), (1825, 49487), (2911, 31025), (2993, 30175), (3485, 25915), (5183, 17425), (6035, 14965), (6205, 14555)]