2018045900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2777}}^1$

素因数の和:2860

約数の個数: 108

約数和(自身を含む): 4853954952

約数和(自身を除く): 2835909052

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 169, 172, 215, 260, 325, 338, 430, 559, 650, 676, 845, 860, 1075, 1118, 1300, 1690, 2150, 2236, 2777, 2795, 3380, 4225, 4300, 5554, 5590, 7267, 8450, 11108, 11180, 13885, 13975, 14534, 16900, 27770, 27950, 29068, 36101, 36335, 55540, 55900, 69425, 72202, 72670, 119411, 138850, 144404, 145340, 180505, 181675, 238822, 277700, 361010, 363350, 469313, 477644, 597055, 722020, 726700, 902525, 938626, 1194110, 1552343, 1805050, 1877252, 2346565, 2388220, 2985275, 3104686, 3610100, 4693130, 5970550, 6209372, 7761715, 9386260, 11732825, 11941100, 15523430, 20180459, 23465650, 31046860, 38808575, 40360918, 46931300, 77617150, 80721836, 100902295, 155234300, 201804590, 403609180, 504511475, 1009022950, 2018045900]

約数ペア:

[(1, 2018045900), (2, 1009022950), (4, 504511475), (5, 403609180), (10, 201804590), (13, 155234300), (20, 100902295), (25, 80721836), (26, 77617150), (43, 46931300), (50, 40360918), (52, 38808575), (65, 31046860), (86, 23465650), (100, 20180459), (130, 15523430), (169, 11941100), (172, 11732825), (215, 9386260), (260, 7761715), (325, 6209372), (338, 5970550), (430, 4693130), (559, 3610100), (650, 3104686), (676, 2985275), (845, 2388220), (860, 2346565), (1075, 1877252), (1118, 1805050), (1300, 1552343), (1690, 1194110), (2150, 938626), (2236, 902525), (2777, 726700), (2795, 722020), (3380, 597055), (4225, 477644), (4300, 469313), (5554, 363350), (5590, 361010), (7267, 277700), (8450, 238822), (11108, 181675), (11180, 180505), (13885, 145340), (13975, 144404), (14534, 138850), (16900, 119411), (27770, 72670), (27950, 72202), (29068, 69425), (36101, 55900), (36335, 55540)]