217249240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13477}}^1$

素因数の和:13532

約数の個数: 64

約数和(自身を含む): 543432960

約数和(自身を除く): 326183720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 13477, 16120, 26954, 53908, 67385, 107816, 134770, 175201, 269540, 350402, 417787, 539080, 700804, 835574, 876005, 1401608, 1671148, 1752010, 2088935, 3342296, 3504020, 4177870, 5431231, 7008040, 8355740, 10862462, 16711480, 21724924, 27156155, 43449848, 54312310, 108624620, 217249240]

約数ペア:

[(1, 217249240), (2, 108624620), (4, 54312310), (5, 43449848), (8, 27156155), (10, 21724924), (13, 16711480), (20, 10862462), (26, 8355740), (31, 7008040), (40, 5431231), (52, 4177870), (62, 3504020), (65, 3342296), (104, 2088935), (124, 1752010), (130, 1671148), (155, 1401608), (248, 876005), (260, 835574), (310, 700804), (403, 539080), (520, 417787), (620, 350402), (806, 269540), (1240, 175201), (1612, 134770), (2015, 107816), (3224, 67385), (4030, 53908), (8060, 26954), (13477, 16120)]