81100250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{383}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 191213568

約数和(自身を除く): 110113318

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 125, 154, 175, 242, 250, 275, 350, 383, 385, 550, 605, 766, 770, 847, 875, 1210, 1375, 1694, 1750, 1915, 1925, 2681, 2750, 3025, 3830, 3850, 4213, 4235, 5362, 6050, 8426, 8470, 9575, 9625, 13405, 15125, 19150, 19250, 21065, 21175, 26810, 29491, 30250, 42130, 42350, 46343, 47875, 58982, 67025, 92686, 95750, 105325, 105875, 134050, 147455, 210650, 211750, 231715, 294910, 324401, 335125, 463430, 526625, 648802, 670250, 737275, 1053250, 1158575, 1474550, 1622005, 2317150, 3244010, 3686375, 5792875, 7372750, 8110025, 11585750, 16220050, 40550125, 81100250]

約数ペア:

[(1, 81100250), (2, 40550125), (5, 16220050), (7, 11585750), (10, 8110025), (11, 7372750), (14, 5792875), (22, 3686375), (25, 3244010), (35, 2317150), (50, 1622005), (55, 1474550), (70, 1158575), (77, 1053250), (110, 737275), (121, 670250), (125, 648802), (154, 526625), (175, 463430), (242, 335125), (250, 324401), (275, 294910), (350, 231715), (383, 211750), (385, 210650), (550, 147455), (605, 134050), (766, 105875), (770, 105325), (847, 95750), (875, 92686), (1210, 67025), (1375, 58982), (1694, 47875), (1750, 46343), (1915, 42350), (1925, 42130), (2681, 30250), (2750, 29491), (3025, 26810), (3830, 21175), (3850, 21065), (4213, 19250), (4235, 19150), (5362, 15125), (6050, 13405), (8426, 9625), (8470, 9575)]