4904680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 12286080

約数和(自身を除く): 7381400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 157, 220, 284, 314, 355, 440, 568, 628, 710, 781, 785, 1256, 1420, 1562, 1570, 1727, 2840, 3124, 3140, 3454, 3905, 6248, 6280, 6908, 7810, 8635, 11147, 13816, 15620, 17270, 22294, 31240, 34540, 44588, 55735, 69080, 89176, 111470, 122617, 222940, 245234, 445880, 490468, 613085, 980936, 1226170, 2452340, 4904680]

約数ペア:

[(1, 4904680), (2, 2452340), (4, 1226170), (5, 980936), (8, 613085), (10, 490468), (11, 445880), (20, 245234), (22, 222940), (40, 122617), (44, 111470), (55, 89176), (71, 69080), (88, 55735), (110, 44588), (142, 34540), (157, 31240), (220, 22294), (284, 17270), (314, 15620), (355, 13816), (440, 11147), (568, 8635), (628, 7810), (710, 6908), (781, 6280), (785, 6248), (1256, 3905), (1420, 3454), (1562, 3140), (1570, 3124), (1727, 2840)]