20928894250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2213}}^1$

素因数の和:2441

約数の個数: 128

約数和(自身を含む): 45259119360

約数和(自身を除く): 24330225110

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 181, 190, 209, 250, 275, 362, 418, 475, 550, 905, 950, 1045, 1375, 1810, 1991, 2090, 2213, 2375, 2750, 3439, 3982, 4426, 4525, 4750, 5225, 6878, 9050, 9955, 10450, 11065, 17195, 19910, 22130, 22625, 24343, 26125, 34390, 37829, 42047, 45250, 48686, 49775, 52250, 55325, 75658, 84094, 85975, 99550, 110650, 121715, 171950, 189145, 210235, 243430, 248875, 276625, 378290, 400553, 420470, 429875, 462517, 497750, 553250, 608575, 801106, 859750, 925034, 945725, 1051175, 1217150, 1891450, 2002765, 2102350, 2312585, 3042875, 4005530, 4406083, 4625170, 4728625, 5255875, 6085750, 7610507, 8812166, 9457250, 10013825, 10511750, 11562925, 15221014, 20027650, 22030415, 23125850, 38052535, 44060830, 50069125, 57814625, 76105070, 83715577, 100138250, 110152075, 115629250, 167431154, 190262675, 220304150, 380525350, 418577885, 550760375, 837155770, 951313375, 1101520750, 1902626750, 2092889425, 4185778850, 10464447125, 20928894250]

約数ペア:

[(1, 20928894250), (2, 10464447125), (5, 4185778850), (10, 2092889425), (11, 1902626750), (19, 1101520750), (22, 951313375), (25, 837155770), (38, 550760375), (50, 418577885), (55, 380525350), (95, 220304150), (110, 190262675), (125, 167431154), (181, 115629250), (190, 110152075), (209, 100138250), (250, 83715577), (275, 76105070), (362, 57814625), (418, 50069125), (475, 44060830), (550, 38052535), (905, 23125850), (950, 22030415), (1045, 20027650), (1375, 15221014), (1810, 11562925), (1991, 10511750), (2090, 10013825), (2213, 9457250), (2375, 8812166), (2750, 7610507), (3439, 6085750), (3982, 5255875), (4426, 4728625), (4525, 4625170), (4750, 4406083), (5225, 4005530), (6878, 3042875), (9050, 2312585), (9955, 2102350), (10450, 2002765), (11065, 1891450), (17195, 1217150), (19910, 1051175), (22130, 945725), (22625, 925034), (24343, 859750), (26125, 801106), (34390, 608575), (37829, 553250), (42047, 497750), (45250, 462517), (48686, 429875), (49775, 420470), (52250, 400553), (55325, 378290), (75658, 276625), (84094, 248875), (85975, 243430), (99550, 210235), (110650, 189145), (121715, 171950)]