865966420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{207169}}^1$

素因数の和:207208

約数の個数: 48

約数和(自身を含む): 2088273600

約数和(自身を除く): 1222307180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 207169, 414338, 828676, 1035845, 2071690, 2278859, 3936211, 4143380, 4557718, 7872422, 9115436, 11394295, 15744844, 19681055, 22788590, 39362110, 43298321, 45577180, 78724220, 86596642, 173193284, 216491605, 432983210, 865966420]

約数ペア:

[(1, 865966420), (2, 432983210), (4, 216491605), (5, 173193284), (10, 86596642), (11, 78724220), (19, 45577180), (20, 43298321), (22, 39362110), (38, 22788590), (44, 19681055), (55, 15744844), (76, 11394295), (95, 9115436), (110, 7872422), (190, 4557718), (209, 4143380), (220, 3936211), (380, 2278859), (418, 2071690), (836, 1035845), (1045, 828676), (2090, 414338), (4180, 207169)]