40049981180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1308

約数の個数: 144

約数和(自身を含む): 94012380000

約数和(自身を除く): 53962398820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 121, 149, 218, 220, 242, 298, 436, 484, 545, 596, 605, 745, 1019, 1090, 1199, 1210, 1490, 1639, 2038, 2180, 2398, 2420, 2980, 3278, 4076, 4796, 5095, 5995, 6556, 8195, 10190, 11209, 11990, 13189, 16241, 16390, 18029, 20380, 22418, 23980, 26378, 32482, 32780, 36058, 44836, 52756, 56045, 64964, 65945, 72116, 81205, 90145, 111071, 112090, 123299, 131890, 151831, 162410, 178651, 180290, 222142, 224180, 246598, 263780, 303662, 324820, 357302, 360580, 444284, 493196, 555355, 607324, 616495, 714604, 759155, 893255, 1110710, 1221781, 1232990, 1518310, 1670141, 1786510, 1965161, 2221420, 2443562, 2465980, 3036620, 3340282, 3573020, 3930322, 4887124, 6108905, 6680564, 7860644, 8350705, 9825805, 12217810, 13439591, 16549579, 16701410, 18371551, 19651610, 24435620, 26879182, 33099158, 33402820, 36743102, 39303220, 53758364, 66198316, 67197955, 73486204, 82747895, 91857755, 134395910, 165495790, 182045369, 183715510, 268791820, 330991580, 364090738, 367431020, 728181476, 910226845, 1820453690, 2002499059, 3640907380, 4004998118, 8009996236, 10012495295, 20024990590, 40049981180]

約数ペア:

[(1, 40049981180), (2, 20024990590), (4, 10012495295), (5, 8009996236), (10, 4004998118), (11, 3640907380), (20, 2002499059), (22, 1820453690), (44, 910226845), (55, 728181476), (109, 367431020), (110, 364090738), (121, 330991580), (149, 268791820), (218, 183715510), (220, 182045369), (242, 165495790), (298, 134395910), (436, 91857755), (484, 82747895), (545, 73486204), (596, 67197955), (605, 66198316), (745, 53758364), (1019, 39303220), (1090, 36743102), (1199, 33402820), (1210, 33099158), (1490, 26879182), (1639, 24435620), (2038, 19651610), (2180, 18371551), (2398, 16701410), (2420, 16549579), (2980, 13439591), (3278, 12217810), (4076, 9825805), (4796, 8350705), (5095, 7860644), (5995, 6680564), (6556, 6108905), (8195, 4887124), (10190, 3930322), (11209, 3573020), (11990, 3340282), (13189, 3036620), (16241, 2465980), (16390, 2443562), (18029, 2221420), (20380, 1965161), (22418, 1786510), (23980, 1670141), (26378, 1518310), (32482, 1232990), (32780, 1221781), (36058, 1110710), (44836, 893255), (52756, 759155), (56045, 714604), (64964, 616495), (65945, 607324), (72116, 555355), (81205, 493196), (90145, 444284), (111071, 360580), (112090, 357302), (123299, 324820), (131890, 303662), (151831, 263780), (162410, 246598), (178651, 224180), (180290, 222142)]