19850100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 57996288

約数和(自身を除く): 38146188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 508, 521, 635, 762, 1042, 1270, 1524, 1563, 1905, 2084, 2540, 2605, 3126, 3175, 3810, 5210, 6252, 6350, 7620, 7815, 9525, 10420, 12700, 13025, 15630, 19050, 26050, 31260, 38100, 39075, 52100, 66167, 78150, 132334, 156300, 198501, 264668, 330835, 397002, 661670, 794004, 992505, 1323340, 1654175, 1985010, 3308350, 3970020, 4962525, 6616700, 9925050, 19850100]

約数ペア:

[(1, 19850100), (2, 9925050), (3, 6616700), (4, 4962525), (5, 3970020), (6, 3308350), (10, 1985010), (12, 1654175), (15, 1323340), (20, 992505), (25, 794004), (30, 661670), (50, 397002), (60, 330835), (75, 264668), (100, 198501), (127, 156300), (150, 132334), (254, 78150), (300, 66167), (381, 52100), (508, 39075), (521, 38100), (635, 31260), (762, 26050), (1042, 19050), (1270, 15630), (1524, 13025), (1563, 12700), (1905, 10420), (2084, 9525), (2540, 7815), (2605, 7620), (3126, 6350), (3175, 6252), (3810, 5210)]