256593580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 594397440

約数和(自身を除く): 337803860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 79, 82, 85, 158, 164, 170, 205, 233, 316, 340, 395, 410, 466, 697, 790, 820, 932, 1165, 1343, 1394, 1580, 2330, 2686, 2788, 3239, 3485, 3961, 4660, 5372, 6478, 6715, 6970, 7922, 9553, 12956, 13430, 13940, 15844, 16195, 18407, 19106, 19805, 26860, 32390, 36814, 38212, 39610, 47765, 55063, 64780, 73628, 79220, 92035, 95530, 110126, 162401, 184070, 191060, 220252, 275315, 312919, 324802, 368140, 550630, 625838, 649604, 754687, 812005, 1101260, 1251676, 1509374, 1564595, 1624010, 3018748, 3129190, 3248020, 3773435, 6258380, 7546870, 12829679, 15093740, 25659358, 51318716, 64148395, 128296790, 256593580]

約数ペア:

[(1, 256593580), (2, 128296790), (4, 64148395), (5, 51318716), (10, 25659358), (17, 15093740), (20, 12829679), (34, 7546870), (41, 6258380), (68, 3773435), (79, 3248020), (82, 3129190), (85, 3018748), (158, 1624010), (164, 1564595), (170, 1509374), (205, 1251676), (233, 1101260), (316, 812005), (340, 754687), (395, 649604), (410, 625838), (466, 550630), (697, 368140), (790, 324802), (820, 312919), (932, 275315), (1165, 220252), (1343, 191060), (1394, 184070), (1580, 162401), (2330, 110126), (2686, 95530), (2788, 92035), (3239, 79220), (3485, 73628), (3961, 64780), (4660, 55063), (5372, 47765), (6478, 39610), (6715, 38212), (6970, 36814), (7922, 32390), (9553, 26860), (12956, 19805), (13430, 19106), (13940, 18407), (15844, 16195)]