71384334040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{442721}}^1$

素因数の和:442900

約数の個数: 64

約数和(自身を含む): 167348916000

約数和(自身を除く): 95964581960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 232, 278, 290, 556, 580, 695, 1112, 1160, 1390, 2780, 4031, 5560, 8062, 16124, 20155, 32248, 40310, 80620, 161240, 442721, 885442, 1770884, 2213605, 3541768, 4427210, 8854420, 12838909, 17708840, 25677818, 51355636, 61538219, 64194545, 102711272, 123076438, 128389090, 246152876, 256778180, 307691095, 492305752, 513556360, 615382190, 1230764380, 1784608351, 2461528760, 3569216702, 7138433404, 8923041755, 14276866808, 17846083510, 35692167020, 71384334040]

約数ペア:

[(1, 71384334040), (2, 35692167020), (4, 17846083510), (5, 14276866808), (8, 8923041755), (10, 7138433404), (20, 3569216702), (29, 2461528760), (40, 1784608351), (58, 1230764380), (116, 615382190), (139, 513556360), (145, 492305752), (232, 307691095), (278, 256778180), (290, 246152876), (556, 128389090), (580, 123076438), (695, 102711272), (1112, 64194545), (1160, 61538219), (1390, 51355636), (2780, 25677818), (4031, 17708840), (5560, 12838909), (8062, 8854420), (16124, 4427210), (20155, 3541768), (32248, 2213605), (40310, 1770884), (80620, 885442), (161240, 442721)]