450621040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331339}}^1$

素因数の和:331369

約数の個数: 40

約数和(自身を含む): 1109326320

約数和(自身を除く): 658705280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 331339, 662678, 1325356, 1656695, 2650712, 3313390, 5301424, 5632763, 6626780, 11265526, 13253560, 22531052, 26507120, 28163815, 45062104, 56327630, 90124208, 112655260, 225310520, 450621040]

約数ペア:

[(1, 450621040), (2, 225310520), (4, 112655260), (5, 90124208), (8, 56327630), (10, 45062104), (16, 28163815), (17, 26507120), (20, 22531052), (34, 13253560), (40, 11265526), (68, 6626780), (80, 5632763), (85, 5301424), (136, 3313390), (170, 2650712), (272, 1656695), (340, 1325356), (680, 662678), (1360, 331339)]