1580454820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{230387}}^1$

素因数の和:230417

約数の個数: 48

約数和(自身を含む): 3870518400

約数和(自身を除く): 2290063580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 230387, 460774, 921548, 1151935, 1612709, 2303870, 3225418, 4607740, 6450836, 8063545, 11288963, 16127090, 22577926, 32254180, 45155852, 56444815, 79022741, 112889630, 158045482, 225779260, 316090964, 395113705, 790227410, 1580454820]

約数ペア:

[(1, 1580454820), (2, 790227410), (4, 395113705), (5, 316090964), (7, 225779260), (10, 158045482), (14, 112889630), (20, 79022741), (28, 56444815), (35, 45155852), (49, 32254180), (70, 22577926), (98, 16127090), (140, 11288963), (196, 8063545), (245, 6450836), (343, 4607740), (490, 3225418), (686, 2303870), (980, 1612709), (1372, 1151935), (1715, 921548), (3430, 460774), (6860, 230387)]