374868520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{720901}}^1$

素因数の和:720925

約数の個数: 32

約数和(自身を含む): 908336520

約数和(自身を除く): 533468000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 720901, 1441802, 2883604, 3604505, 5767208, 7209010, 9371713, 14418020, 18743426, 28836040, 37486852, 46858565, 74973704, 93717130, 187434260, 374868520]

約数ペア:

[(1, 374868520), (2, 187434260), (4, 93717130), (5, 74973704), (8, 46858565), (10, 37486852), (13, 28836040), (20, 18743426), (26, 14418020), (40, 9371713), (52, 7209010), (65, 5767208), (104, 3604505), (130, 2883604), (260, 1441802), (520, 720901)]