156779290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2447}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 290822400

約数和(自身を除く): 134043110

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 430, 745, 1490, 2447, 4894, 6407, 12235, 12814, 24470, 32035, 64070, 105221, 210442, 364603, 526105, 729206, 1052210, 1823015, 3646030, 15677929, 31355858, 78389645, 156779290]

約数ペア:

[(1, 156779290), (2, 78389645), (5, 31355858), (10, 15677929), (43, 3646030), (86, 1823015), (149, 1052210), (215, 729206), (298, 526105), (430, 364603), (745, 210442), (1490, 105221), (2447, 64070), (4894, 32035), (6407, 24470), (12235, 12814)]