505300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 1138816

約数和(自身を除く): 633516

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 163, 310, 326, 620, 652, 775, 815, 1550, 1630, 3100, 3260, 4075, 5053, 8150, 10106, 16300, 20212, 25265, 50530, 101060, 126325, 252650, 505300]

約数ペア:

[(1, 505300), (2, 252650), (4, 126325), (5, 101060), (10, 50530), (20, 25265), (25, 20212), (31, 16300), (50, 10106), (62, 8150), (100, 5053), (124, 4075), (155, 3260), (163, 3100), (310, 1630), (326, 1550), (620, 815), (652, 775)]