30914140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81353}}^1$

素因数の和:81381

約数の個数: 24

約数和(自身を含む): 68337360

約数和(自身を除く): 37423220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81353, 162706, 325412, 406765, 813530, 1545707, 1627060, 3091414, 6182828, 7728535, 15457070, 30914140]

約数ペア:

[(1, 30914140), (2, 15457070), (4, 7728535), (5, 6182828), (10, 3091414), (19, 1627060), (20, 1545707), (38, 813530), (76, 406765), (95, 325412), (190, 162706), (380, 81353)]