261678088400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{769}}^1\times {\mathrm{20749}}^1$

素因数の和:21577

約数の個数: 120

約数和(自身を含む): 644883855000

約数和(自身を除く): 383205766600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 769, 820, 1025, 1538, 1640, 2050, 3076, 3280, 3845, 4100, 6152, 7690, 8200, 12304, 15380, 16400, 19225, 20749, 30760, 31529, 38450, 41498, 61520, 63058, 76900, 82996, 103745, 126116, 153800, 157645, 165992, 207490, 252232, 307600, 315290, 331984, 414980, 504464, 518725, 630580, 788225, 829960, 850709, 1037450, 1261160, 1576450, 1659920, 1701418, 2074900, 2522320, 3152900, 3402836, 4149800, 4253545, 6305800, 6805672, 8299600, 8507090, 12611600, 13611344, 15955981, 17014180, 21267725, 31911962, 34028360, 42535450, 63823924, 68056720, 79779905, 85070900, 127647848, 159559810, 170141800, 255295696, 319119620, 340283600, 398899525, 638239240, 654195221, 797799050, 1276478480, 1308390442, 1595598100, 2616780884, 3191196200, 3270976105, 5233561768, 6382392400, 6541952210, 10467123536, 13083904420, 16354880525, 26167808840, 32709761050, 52335617680, 65419522100, 130839044200, 261678088400]

約数ペア:

[(1, 261678088400), (2, 130839044200), (4, 65419522100), (5, 52335617680), (8, 32709761050), (10, 26167808840), (16, 16354880525), (20, 13083904420), (25, 10467123536), (40, 6541952210), (41, 6382392400), (50, 5233561768), (80, 3270976105), (82, 3191196200), (100, 2616780884), (164, 1595598100), (200, 1308390442), (205, 1276478480), (328, 797799050), (400, 654195221), (410, 638239240), (656, 398899525), (769, 340283600), (820, 319119620), (1025, 255295696), (1538, 170141800), (1640, 159559810), (2050, 127647848), (3076, 85070900), (3280, 79779905), (3845, 68056720), (4100, 63823924), (6152, 42535450), (7690, 34028360), (8200, 31911962), (12304, 21267725), (15380, 17014180), (16400, 15955981), (19225, 13611344), (20749, 12611600), (30760, 8507090), (31529, 8299600), (38450, 6805672), (41498, 6305800), (61520, 4253545), (63058, 4149800), (76900, 3402836), (82996, 3152900), (103745, 2522320), (126116, 2074900), (153800, 1701418), (157645, 1659920), (165992, 1576450), (207490, 1261160), (252232, 1037450), (307600, 850709), (315290, 829960), (331984, 788225), (414980, 630580), (504464, 518725)]