804513740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{3449}}^1$

素因数の和:3674

約数の個数: 48

約数和(自身を含む): 1721412000

約数和(自身を除く): 916898260

約数列:

[1, 2, 4, 5, 10, 20, 107, 109, 214, 218, 428, 436, 535, 545, 1070, 1090, 2140, 2180, 3449, 6898, 11663, 13796, 17245, 23326, 34490, 46652, 58315, 68980, 116630, 233260, 369043, 375941, 738086, 751882, 1476172, 1503764, 1845215, 1879705, 3690430, 3759410, 7380860, 7518820, 40225687, 80451374, 160902748, 201128435, 402256870, 804513740]

約数ペア:

[(1, 804513740), (2, 402256870), (4, 201128435), (5, 160902748), (10, 80451374), (20, 40225687), (107, 7518820), (109, 7380860), (214, 3759410), (218, 3690430), (428, 1879705), (436, 1845215), (535, 1503764), (545, 1476172), (1070, 751882), (1090, 738086), (2140, 375941), (2180, 369043), (3449, 233260), (6898, 116630), (11663, 68980), (13796, 58315), (17245, 46652), (23326, 34490)]