249172040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1373}}^1$

素因数の和:1746

約数の個数: 64

約数和(自身を含む): 605934000

約数和(自身を除く): 356761960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 349, 520, 698, 1373, 1396, 1745, 2746, 2792, 3490, 4537, 5492, 6865, 6980, 9074, 10984, 13730, 13960, 17849, 18148, 22685, 27460, 35698, 36296, 45370, 54920, 71396, 89245, 90740, 142792, 178490, 181480, 356980, 479177, 713960, 958354, 1916708, 2395885, 3833416, 4791770, 6229301, 9583540, 12458602, 19167080, 24917204, 31146505, 49834408, 62293010, 124586020, 249172040]

約数ペア:

[(1, 249172040), (2, 124586020), (4, 62293010), (5, 49834408), (8, 31146505), (10, 24917204), (13, 19167080), (20, 12458602), (26, 9583540), (40, 6229301), (52, 4791770), (65, 3833416), (104, 2395885), (130, 1916708), (260, 958354), (349, 713960), (520, 479177), (698, 356980), (1373, 181480), (1396, 178490), (1745, 142792), (2746, 90740), (2792, 89245), (3490, 71396), (4537, 54920), (5492, 45370), (6865, 36296), (6980, 35698), (9074, 27460), (10984, 22685), (13730, 18148), (13960, 17849)]