490692100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6299}}^1$

素因数の和:6373

約数の個数: 72

約数和(自身を含む): 1148364000

約数和(自身を除く): 657671900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2050, 3116, 3895, 4100, 6299, 7790, 12598, 15580, 19475, 25196, 31495, 38950, 62990, 77900, 119681, 125980, 157475, 239362, 258259, 314950, 478724, 516518, 598405, 629900, 1033036, 1196810, 1291295, 2393620, 2582590, 2992025, 4906921, 5165180, 5984050, 6456475, 9813842, 11968100, 12912950, 19627684, 24534605, 25825900, 49069210, 98138420, 122673025, 245346050, 490692100]

約数ペア:

[(1, 490692100), (2, 245346050), (4, 122673025), (5, 98138420), (10, 49069210), (19, 25825900), (20, 24534605), (25, 19627684), (38, 12912950), (41, 11968100), (50, 9813842), (76, 6456475), (82, 5984050), (95, 5165180), (100, 4906921), (164, 2992025), (190, 2582590), (205, 2393620), (380, 1291295), (410, 1196810), (475, 1033036), (779, 629900), (820, 598405), (950, 516518), (1025, 478724), (1558, 314950), (1900, 258259), (2050, 239362), (3116, 157475), (3895, 125980), (4100, 119681), (6299, 77900), (7790, 62990), (12598, 38950), (15580, 31495), (19475, 25196)]