209423720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4621}}^1$

素因数の和:4746

約数の個数: 64

約数和(自身を含む): 519143040

約数和(自身を除く): 309719320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 2060, 2266, 4120, 4532, 4621, 5665, 9064, 9242, 11330, 18484, 22660, 23105, 36968, 45320, 46210, 50831, 92420, 101662, 184840, 203324, 254155, 406648, 475963, 508310, 951926, 1016620, 1903852, 2033240, 2379815, 3807704, 4759630, 5235593, 9519260, 10471186, 19038520, 20942372, 26177965, 41884744, 52355930, 104711860, 209423720]

約数ペア:

[(1, 209423720), (2, 104711860), (4, 52355930), (5, 41884744), (8, 26177965), (10, 20942372), (11, 19038520), (20, 10471186), (22, 9519260), (40, 5235593), (44, 4759630), (55, 3807704), (88, 2379815), (103, 2033240), (110, 1903852), (206, 1016620), (220, 951926), (412, 508310), (440, 475963), (515, 406648), (824, 254155), (1030, 203324), (1133, 184840), (2060, 101662), (2266, 92420), (4120, 50831), (4532, 46210), (4621, 45320), (5665, 36968), (9064, 23105), (9242, 22660), (11330, 18484)]