209849680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{138059}}^1$

素因数の和:138091

約数の個数: 40

約数和(自身を含む): 513583200

約数和(自身を除く): 303733520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 138059, 276118, 552236, 690295, 1104472, 1380590, 2208944, 2623121, 2761180, 5246242, 5522360, 10492484, 11044720, 13115605, 20984968, 26231210, 41969936, 52462420, 104924840, 209849680]

約数ペア:

[(1, 209849680), (2, 104924840), (4, 52462420), (5, 41969936), (8, 26231210), (10, 20984968), (16, 13115605), (19, 11044720), (20, 10492484), (38, 5522360), (40, 5246242), (76, 2761180), (80, 2623121), (95, 2208944), (152, 1380590), (190, 1104472), (304, 690295), (380, 552236), (760, 276118), (1520, 138059)]