2179610

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 4147200

約数和(自身を除く): 1967590

約数列:

[1, 2, 5, 10, 31, 62, 79, 89, 155, 158, 178, 310, 395, 445, 790, 890, 2449, 2759, 4898, 5518, 7031, 12245, 13795, 14062, 24490, 27590, 35155, 70310, 217961, 435922, 1089805, 2179610]

約数ペア:

[(1, 2179610), (2, 1089805), (5, 435922), (10, 217961), (31, 70310), (62, 35155), (79, 27590), (89, 24490), (155, 14062), (158, 13795), (178, 12245), (310, 7031), (395, 5518), (445, 4898), (790, 2759), (890, 2449)]