405329288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 984614400

約数和(自身を除く): 579285112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 73, 91, 104, 116, 146, 182, 203, 232, 263, 292, 364, 377, 406, 511, 526, 584, 728, 754, 812, 949, 1022, 1052, 1508, 1624, 1841, 1898, 2044, 2104, 2117, 2639, 3016, 3419, 3682, 3796, 4088, 4234, 5278, 6643, 6838, 7364, 7592, 7627, 8468, 10556, 13286, 13676, 14728, 14819, 15254, 16936, 19199, 21112, 23933, 26572, 27352, 27521, 29638, 30508, 38398, 47866, 53144, 53389, 55042, 59276, 61016, 76796, 95732, 99151, 106778, 110084, 118552, 134393, 153592, 191464, 192647, 198302, 213556, 220168, 249587, 268786, 385294, 396604, 427112, 499174, 537572, 556771, 694057, 770588, 793208, 998348, 1075144, 1113542, 1388114, 1541176, 1747109, 1996696, 2227084, 2776228, 3494218, 3897397, 4454168, 5552456, 6988436, 7238023, 7794794, 13976872, 14476046, 15589588, 28952092, 31179176, 50666161, 57904184, 101332322, 202664644, 405329288]

約数ペア:

[(1, 405329288), (2, 202664644), (4, 101332322), (7, 57904184), (8, 50666161), (13, 31179176), (14, 28952092), (26, 15589588), (28, 14476046), (29, 13976872), (52, 7794794), (56, 7238023), (58, 6988436), (73, 5552456), (91, 4454168), (104, 3897397), (116, 3494218), (146, 2776228), (182, 2227084), (203, 1996696), (232, 1747109), (263, 1541176), (292, 1388114), (364, 1113542), (377, 1075144), (406, 998348), (511, 793208), (526, 770588), (584, 694057), (728, 556771), (754, 537572), (812, 499174), (949, 427112), (1022, 396604), (1052, 385294), (1508, 268786), (1624, 249587), (1841, 220168), (1898, 213556), (2044, 198302), (2104, 192647), (2117, 191464), (2639, 153592), (3016, 134393), (3419, 118552), (3682, 110084), (3796, 106778), (4088, 99151), (4234, 95732), (5278, 76796), (6643, 61016), (6838, 59276), (7364, 55042), (7592, 53389), (7627, 53144), (8468, 47866), (10556, 38398), (13286, 30508), (13676, 29638), (14728, 27521), (14819, 27352), (15254, 26572), (16936, 23933), (19199, 21112)]