788432020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{1301}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 1676173968

約数和(自身を除く): 887741948

約数列:

[1, 2, 4, 5, 10, 20, 157, 193, 314, 386, 628, 772, 785, 965, 1301, 1570, 1930, 2602, 3140, 3860, 5204, 6505, 13010, 26020, 30301, 60602, 121204, 151505, 204257, 251093, 303010, 408514, 502186, 606020, 817028, 1004372, 1021285, 1255465, 2042570, 2510930, 4085140, 5021860, 39421601, 78843202, 157686404, 197108005, 394216010, 788432020]

約数ペア:

[(1, 788432020), (2, 394216010), (4, 197108005), (5, 157686404), (10, 78843202), (20, 39421601), (157, 5021860), (193, 4085140), (314, 2510930), (386, 2042570), (628, 1255465), (772, 1021285), (785, 1004372), (965, 817028), (1301, 606020), (1570, 502186), (1930, 408514), (2602, 303010), (3140, 251093), (3860, 204257), (5204, 151505), (6505, 121204), (13010, 60602), (26020, 30301)]