31659460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 76769280

約数和(自身を除く): 45109820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2239, 2828, 3535, 4478, 7070, 8956, 11195, 14140, 15673, 22390, 31346, 44780, 62692, 78365, 156730, 226139, 313460, 452278, 904556, 1130695, 1582973, 2261390, 3165946, 4522780, 6331892, 7914865, 15829730, 31659460]

約数ペア:

[(1, 31659460), (2, 15829730), (4, 7914865), (5, 6331892), (7, 4522780), (10, 3165946), (14, 2261390), (20, 1582973), (28, 1130695), (35, 904556), (70, 452278), (101, 313460), (140, 226139), (202, 156730), (404, 78365), (505, 62692), (707, 44780), (1010, 31346), (1414, 22390), (2020, 15673), (2239, 14140), (2828, 11195), (3535, 8956), (4478, 7070)]