31721060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7309}}^1$

素因数の和:7356

約数の個数: 48

約数和(自身を含む): 78597120

約数和(自身を除く): 46876060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7309, 14618, 29236, 36545, 51163, 73090, 102326, 146180, 204652, 226579, 255815, 453158, 511630, 906316, 1023260, 1132895, 1586053, 2265790, 3172106, 4531580, 6344212, 7930265, 15860530, 31721060]

約数ペア:

[(1, 31721060), (2, 15860530), (4, 7930265), (5, 6344212), (7, 4531580), (10, 3172106), (14, 2265790), (20, 1586053), (28, 1132895), (31, 1023260), (35, 906316), (62, 511630), (70, 453158), (124, 255815), (140, 226579), (155, 204652), (217, 146180), (310, 102326), (434, 73090), (620, 51163), (868, 36545), (1085, 29236), (2170, 14618), (4340, 7309)]