285997124

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 604963800

約数和(自身を除く): 318966676

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 113, 148, 196, 226, 259, 349, 452, 518, 698, 791, 1036, 1396, 1582, 1813, 2443, 3164, 3626, 4181, 4886, 5537, 7252, 8362, 9772, 11074, 12913, 16724, 17101, 22148, 25826, 29267, 34202, 39437, 51652, 58534, 68404, 78874, 90391, 117068, 157748, 180782, 204869, 276059, 361564, 409738, 552118, 632737, 819476, 1104236, 1265474, 1459169, 1932413, 2530948, 2918338, 3864826, 5836676, 7729652, 10214183, 20428366, 40856732, 71499281, 142998562, 285997124]

約数ペア:

[(1, 285997124), (2, 142998562), (4, 71499281), (7, 40856732), (14, 20428366), (28, 10214183), (37, 7729652), (49, 5836676), (74, 3864826), (98, 2918338), (113, 2530948), (148, 1932413), (196, 1459169), (226, 1265474), (259, 1104236), (349, 819476), (452, 632737), (518, 552118), (698, 409738), (791, 361564), (1036, 276059), (1396, 204869), (1582, 180782), (1813, 157748), (2443, 117068), (3164, 90391), (3626, 78874), (4181, 68404), (4886, 58534), (5537, 51652), (7252, 39437), (8362, 34202), (9772, 29267), (11074, 25826), (12913, 22148), (16724, 17101)]