2979340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 7705152

約数和(自身を除く): 4725812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1637, 1820, 3274, 6548, 8185, 11459, 16370, 21281, 22918, 32740, 42562, 45836, 57295, 85124, 106405, 114590, 148967, 212810, 229180, 297934, 425620, 595868, 744835, 1489670, 2979340]

約数ペア:

[(1, 2979340), (2, 1489670), (4, 744835), (5, 595868), (7, 425620), (10, 297934), (13, 229180), (14, 212810), (20, 148967), (26, 114590), (28, 106405), (35, 85124), (52, 57295), (65, 45836), (70, 42562), (91, 32740), (130, 22918), (140, 21281), (182, 16370), (260, 11459), (364, 8185), (455, 6548), (910, 3274), (1637, 1820)]