2209491520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{222731}}^1$

素因数の和:222779

約数の個数: 56

約数和(自身を含む): 5431097088

約数和(自身を除く): 3221605568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 222731, 445462, 890924, 1113655, 1781848, 2227310, 3563696, 4454620, 6904661, 7127392, 8909240, 13809322, 14254784, 17818480, 27618644, 34523305, 35636960, 55237288, 69046610, 71273920, 110474576, 138093220, 220949152, 276186440, 441898304, 552372880, 1104745760, 2209491520]

約数ペア:

[(1, 2209491520), (2, 1104745760), (4, 552372880), (5, 441898304), (8, 276186440), (10, 220949152), (16, 138093220), (20, 110474576), (31, 71273920), (32, 69046610), (40, 55237288), (62, 35636960), (64, 34523305), (80, 27618644), (124, 17818480), (155, 14254784), (160, 13809322), (248, 8909240), (310, 7127392), (320, 6904661), (496, 4454620), (620, 3563696), (992, 2227310), (1240, 1781848), (1984, 1113655), (2480, 890924), (4960, 445462), (9920, 222731)]