201578420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{947}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 439568640

約数和(自身を除く): 237990220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 367, 580, 734, 947, 1468, 1835, 1894, 3670, 3788, 4735, 7340, 9470, 10643, 18940, 21286, 27463, 42572, 53215, 54926, 106430, 109852, 137315, 212860, 274630, 347549, 549260, 695098, 1390196, 1737745, 3475490, 6950980, 10078921, 20157842, 40315684, 50394605, 100789210, 201578420]

約数ペア:

[(1, 201578420), (2, 100789210), (4, 50394605), (5, 40315684), (10, 20157842), (20, 10078921), (29, 6950980), (58, 3475490), (116, 1737745), (145, 1390196), (290, 695098), (367, 549260), (580, 347549), (734, 274630), (947, 212860), (1468, 137315), (1835, 109852), (1894, 106430), (3670, 54926), (3788, 53215), (4735, 42572), (7340, 27463), (9470, 21286), (10643, 18940)]