155593240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353621}}^1$

素因数の和:353643

約数の個数: 32

約数和(自身を含む): 381911760

約数和(自身を除く): 226318520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 353621, 707242, 1414484, 1768105, 2828968, 3536210, 3889831, 7072420, 7779662, 14144840, 15559324, 19449155, 31118648, 38898310, 77796620, 155593240]

約数ペア:

[(1, 155593240), (2, 77796620), (4, 38898310), (5, 31118648), (8, 19449155), (10, 15559324), (11, 14144840), (20, 7779662), (22, 7072420), (40, 3889831), (44, 3536210), (55, 2828968), (88, 1768105), (110, 1414484), (220, 707242), (440, 353621)]