489408040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1112291}}^1$

素因数の和:1112313

約数の個数: 32

約数和(自身を含む): 1201275360

約数和(自身を除く): 711867320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1112291, 2224582, 4449164, 5561455, 8898328, 11122910, 12235201, 22245820, 24470402, 44491640, 48940804, 61176005, 97881608, 122352010, 244704020, 489408040]

約数ペア:

[(1, 489408040), (2, 244704020), (4, 122352010), (5, 97881608), (8, 61176005), (10, 48940804), (11, 44491640), (20, 24470402), (22, 22245820), (40, 12235201), (44, 11122910), (55, 8898328), (88, 5561455), (110, 4449164), (220, 2224582), (440, 1112291)]