155518990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{74411}}^1$

素因数の和:74448

約数の個数: 32

約数和(自身を含む): 321459840

約数和(自身を除く): 165940850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 74411, 148822, 372055, 744110, 818521, 1413809, 1637042, 2827618, 4092605, 7069045, 8185210, 14138090, 15551899, 31103798, 77759495, 155518990]

約数ペア:

[(1, 155518990), (2, 77759495), (5, 31103798), (10, 15551899), (11, 14138090), (19, 8185210), (22, 7069045), (38, 4092605), (55, 2827618), (95, 1637042), (110, 1413809), (190, 818521), (209, 744110), (418, 372055), (1045, 148822), (2090, 74411)]