156913240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{356621}}^1$

素因数の和:356643

約数の個数: 32

約数和(自身を含む): 385151760

約数和(自身を除く): 228238520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 356621, 713242, 1426484, 1783105, 2852968, 3566210, 3922831, 7132420, 7845662, 14264840, 15691324, 19614155, 31382648, 39228310, 78456620, 156913240]

約数ペア:

[(1, 156913240), (2, 78456620), (4, 39228310), (5, 31382648), (8, 19614155), (10, 15691324), (11, 14264840), (20, 7845662), (22, 7132420), (40, 3922831), (44, 3566210), (55, 2852968), (88, 1783105), (110, 1426484), (220, 713242), (440, 356621)]