30288340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 66749760

約数和(自身を除く): 36461420

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 859, 860, 1718, 1763, 3436, 3526, 4295, 7052, 8590, 8815, 17180, 17630, 35219, 35260, 36937, 70438, 73874, 140876, 147748, 176095, 184685, 352190, 369370, 704380, 738740, 1514417, 3028834, 6057668, 7572085, 15144170, 30288340]

約数ペア:

[(1, 30288340), (2, 15144170), (4, 7572085), (5, 6057668), (10, 3028834), (20, 1514417), (41, 738740), (43, 704380), (82, 369370), (86, 352190), (164, 184685), (172, 176095), (205, 147748), (215, 140876), (410, 73874), (430, 70438), (820, 36937), (859, 35260), (860, 35219), (1718, 17630), (1763, 17180), (3436, 8815), (3526, 8590), (4295, 7052)]