1975180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1619}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 4218480

約数和(自身を除く): 2243300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1619, 3238, 6476, 8095, 16190, 32380, 98759, 197518, 395036, 493795, 987590, 1975180]

約数ペア:

[(1, 1975180), (2, 987590), (4, 493795), (5, 395036), (10, 197518), (20, 98759), (61, 32380), (122, 16190), (244, 8095), (305, 6476), (610, 3238), (1220, 1619)]