140696620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 301771008

約数和(自身を除く): 161074388

約数列:

[1, 2, 4, 5, 10, 20, 83, 131, 166, 262, 332, 415, 524, 647, 655, 830, 1294, 1310, 1660, 2588, 2620, 3235, 6470, 10873, 12940, 21746, 43492, 53701, 54365, 84757, 107402, 108730, 169514, 214804, 217460, 268505, 339028, 423785, 537010, 847570, 1074020, 1695140, 7034831, 14069662, 28139324, 35174155, 70348310, 140696620]

約数ペア:

[(1, 140696620), (2, 70348310), (4, 35174155), (5, 28139324), (10, 14069662), (20, 7034831), (83, 1695140), (131, 1074020), (166, 847570), (262, 537010), (332, 423785), (415, 339028), (524, 268505), (647, 217460), (655, 214804), (830, 169514), (1294, 108730), (1310, 107402), (1660, 84757), (2588, 54365), (2620, 53701), (3235, 43492), (6470, 21746), (10873, 12940)]