91787900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 212903040

約数和(自身を除く): 121115140

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 580, 620, 725, 775, 899, 1021, 1450, 1550, 1798, 2042, 2900, 3100, 3596, 4084, 4495, 5105, 8990, 10210, 17980, 20420, 22475, 25525, 29609, 31651, 44950, 51050, 59218, 63302, 89900, 102100, 118436, 126604, 148045, 158255, 296090, 316510, 592180, 633020, 740225, 791275, 917879, 1480450, 1582550, 1835758, 2960900, 3165100, 3671516, 4589395, 9178790, 18357580, 22946975, 45893950, 91787900]

約数ペア:

[(1, 91787900), (2, 45893950), (4, 22946975), (5, 18357580), (10, 9178790), (20, 4589395), (25, 3671516), (29, 3165100), (31, 2960900), (50, 1835758), (58, 1582550), (62, 1480450), (100, 917879), (116, 791275), (124, 740225), (145, 633020), (155, 592180), (290, 316510), (310, 296090), (580, 158255), (620, 148045), (725, 126604), (775, 118436), (899, 102100), (1021, 89900), (1450, 63302), (1550, 59218), (1798, 51050), (2042, 44950), (2900, 31651), (3100, 29609), (3596, 25525), (4084, 22475), (4495, 20420), (5105, 17980), (8990, 10210)]