121005320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{177949}}^1$

素因数の和:177977

約数の個数: 32

約数和(自身を含む): 288279000

約数和(自身を除く): 167273680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 177949, 355898, 711796, 889745, 1423592, 1779490, 3025133, 3558980, 6050266, 7117960, 12100532, 15125665, 24201064, 30251330, 60502660, 121005320]

約数ペア:

[(1, 121005320), (2, 60502660), (4, 30251330), (5, 24201064), (8, 15125665), (10, 12100532), (17, 7117960), (20, 6050266), (34, 3558980), (40, 3025133), (68, 1779490), (85, 1423592), (136, 889745), (170, 711796), (340, 355898), (680, 177949)]