131416880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{234673}}^1$

素因数の和:234693

約数の個数: 40

約数和(自身を含む): 349194912

約数和(自身を除く): 217778032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 234673, 469346, 938692, 1173365, 1642711, 1877384, 2346730, 3285422, 3754768, 4693460, 6570844, 8213555, 9386920, 13141688, 16427110, 18773840, 26283376, 32854220, 65708440, 131416880]

約数ペア:

[(1, 131416880), (2, 65708440), (4, 32854220), (5, 26283376), (7, 18773840), (8, 16427110), (10, 13141688), (14, 9386920), (16, 8213555), (20, 6570844), (28, 4693460), (35, 3754768), (40, 3285422), (56, 2346730), (70, 1877384), (80, 1642711), (112, 1173365), (140, 938692), (280, 469346), (560, 234673)]