870345370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{25621}}^1$

素因数の和:25750

約数の個数: 32

約数和(自身を含む): 1623409920

約数和(自身を除く): 753064550

約数列:

[1, 2, 5, 10, 43, 79, 86, 158, 215, 395, 430, 790, 3397, 6794, 16985, 25621, 33970, 51242, 128105, 256210, 1101703, 2024059, 2203406, 4048118, 5508515, 10120295, 11017030, 20240590, 87034537, 174069074, 435172685, 870345370]

約数ペア:

[(1, 870345370), (2, 435172685), (5, 174069074), (10, 87034537), (43, 20240590), (79, 11017030), (86, 10120295), (158, 5508515), (215, 4048118), (395, 2203406), (430, 2024059), (790, 1101703), (3397, 256210), (6794, 128105), (16985, 51242), (25621, 33970)]