231805720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{69821}}^1$

素因数の和:69915

約数の個数: 32

約数和(自身を含む): 527854320

約数和(自身を除く): 296048600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 69821, 139642, 279284, 349105, 558568, 698210, 1396420, 2792840, 5795143, 11590286, 23180572, 28975715, 46361144, 57951430, 115902860, 231805720]

約数ペア:

[(1, 231805720), (2, 115902860), (4, 57951430), (5, 46361144), (8, 28975715), (10, 23180572), (20, 11590286), (40, 5795143), (83, 2792840), (166, 1396420), (332, 698210), (415, 558568), (664, 349105), (830, 279284), (1660, 139642), (3320, 69821)]