201221720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{24781}}^1$

素因数の和:24828

約数の個数: 64

約数和(自身を含む): 535291200

約数和(自身を除く): 334069480

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, 24781, 49562, 99124, 123905, 173467, 198248, 247810, 346934, 495620, 693868, 718649, 867335, 991240, 1387736, 1437298, 1734670, 2874596, 3469340, 3593245, 5030543, 5749192, 6938680, 7186490, 10061086, 14372980, 20122172, 25152715, 28745960, 40244344, 50305430, 100610860, 201221720]

約数ペア:

[(1, 201221720), (2, 100610860), (4, 50305430), (5, 40244344), (7, 28745960), (8, 25152715), (10, 20122172), (14, 14372980), (20, 10061086), (28, 7186490), (29, 6938680), (35, 5749192), (40, 5030543), (56, 3593245), (58, 3469340), (70, 2874596), (116, 1734670), (140, 1437298), (145, 1387736), (203, 991240), (232, 867335), (280, 718649), (290, 693868), (406, 495620), (580, 346934), (812, 247810), (1015, 198248), (1160, 173467), (1624, 123905), (2030, 99124), (4060, 49562), (8120, 24781)]