387133040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{691309}}^1$

素因数の和:691329

約数の個数: 40

約数和(自身を含む): 1028669280

約数和(自身を除く): 641536240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 691309, 1382618, 2765236, 3456545, 4839163, 5530472, 6913090, 9678326, 11060944, 13826180, 19356652, 24195815, 27652360, 38713304, 48391630, 55304720, 77426608, 96783260, 193566520, 387133040]

約数ペア:

[(1, 387133040), (2, 193566520), (4, 96783260), (5, 77426608), (7, 55304720), (8, 48391630), (10, 38713304), (14, 27652360), (16, 24195815), (20, 19356652), (28, 13826180), (35, 11060944), (40, 9678326), (56, 6913090), (70, 5530472), (80, 4839163), (112, 3456545), (140, 2765236), (280, 1382618), (560, 691309)]