89981910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 249181920

約数和(自身を除く): 159200010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 101, 114, 171, 190, 202, 285, 303, 342, 505, 521, 570, 606, 855, 909, 1010, 1042, 1515, 1563, 1710, 1818, 1919, 2605, 3030, 3126, 3838, 4545, 4689, 5210, 5757, 7815, 9090, 9378, 9595, 9899, 11514, 15630, 17271, 19190, 19798, 23445, 28785, 29697, 34542, 46890, 49495, 52621, 57570, 59394, 86355, 89091, 98990, 105242, 148485, 157863, 172710, 178182, 263105, 296970, 315726, 445455, 473589, 526210, 789315, 890910, 947178, 999799, 1578630, 1999598, 2367945, 2999397, 4735890, 4998995, 5998794, 8998191, 9997990, 14996985, 17996382, 29993970, 44990955, 89981910]

約数ペア:

[(1, 89981910), (2, 44990955), (3, 29993970), (5, 17996382), (6, 14996985), (9, 9997990), (10, 8998191), (15, 5998794), (18, 4998995), (19, 4735890), (30, 2999397), (38, 2367945), (45, 1999598), (57, 1578630), (90, 999799), (95, 947178), (101, 890910), (114, 789315), (171, 526210), (190, 473589), (202, 445455), (285, 315726), (303, 296970), (342, 263105), (505, 178182), (521, 172710), (570, 157863), (606, 148485), (855, 105242), (909, 98990), (1010, 89091), (1042, 86355), (1515, 59394), (1563, 57570), (1710, 52621), (1818, 49495), (1919, 46890), (2605, 34542), (3030, 29697), (3126, 28785), (3838, 23445), (4545, 19798), (4689, 19190), (5210, 17271), (5757, 15630), (7815, 11514), (9090, 9899), (9378, 9595)]