408070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 820512

約数和(自身を除く): 412442

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 73, 86, 130, 146, 215, 365, 430, 559, 730, 949, 1118, 1898, 2795, 3139, 4745, 5590, 6278, 9490, 15695, 31390, 40807, 81614, 204035, 408070]

約数ペア:

[(1, 408070), (2, 204035), (5, 81614), (10, 40807), (13, 31390), (26, 15695), (43, 9490), (65, 6278), (73, 5590), (86, 4745), (130, 3139), (146, 2795), (215, 1898), (365, 1118), (430, 949), (559, 730)]