1310368820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{65063}}^1$

素因数の和:65144

約数の個数: 48

約数和(自身を含む): 2951303040

約数和(自身を除く): 1640934220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140, 65063, 130126, 260252, 325315, 650630, 1236197, 1301260, 2472394, 3448339, 4944788, 6180985, 6896678, 12361970, 13793356, 17241695, 24723940, 34483390, 65518441, 68966780, 131036882, 262073764, 327592205, 655184410, 1310368820]

約数ペア:

[(1, 1310368820), (2, 655184410), (4, 327592205), (5, 262073764), (10, 131036882), (19, 68966780), (20, 65518441), (38, 34483390), (53, 24723940), (76, 17241695), (95, 13793356), (106, 12361970), (190, 6896678), (212, 6180985), (265, 4944788), (380, 3448339), (530, 2472394), (1007, 1301260), (1060, 1236197), (2014, 650630), (4028, 325315), (5035, 260252), (10070, 130126), (20140, 65063)]