313634240

素因数分解:

$2^6\times 5^1\times {\mathrm{980107}}^1$

素因数の和:980124

約数の個数: 28

約数和(自身を含む): 746842296

約数和(自身を除く): 433208056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 980107, 1960214, 3920428, 4900535, 7840856, 9801070, 15681712, 19602140, 31363424, 39204280, 62726848, 78408560, 156817120, 313634240]

約数ペア:

[(1, 313634240), (2, 156817120), (4, 78408560), (5, 62726848), (8, 39204280), (10, 31363424), (16, 19602140), (20, 15681712), (32, 9801070), (40, 7840856), (64, 4900535), (80, 3920428), (160, 1960214), (320, 980107)]