256338220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{15061}}^1$

素因数の和:15130

約数の個数: 48

約数和(自身を含む): 576934848

約数和(自身を除く): 320596628

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 15061, 17020, 30122, 60244, 75305, 150610, 301220, 346403, 557257, 692806, 1114514, 1385612, 1732015, 2229028, 2786285, 3464030, 5572570, 6928060, 11145140, 12816911, 25633822, 51267644, 64084555, 128169110, 256338220]

約数ペア:

[(1, 256338220), (2, 128169110), (4, 64084555), (5, 51267644), (10, 25633822), (20, 12816911), (23, 11145140), (37, 6928060), (46, 5572570), (74, 3464030), (92, 2786285), (115, 2229028), (148, 1732015), (185, 1385612), (230, 1114514), (370, 692806), (460, 557257), (740, 346403), (851, 301220), (1702, 150610), (3404, 75305), (4255, 60244), (8510, 30122), (15061, 17020)]