274221440

素因数分解:

$2^7\times 5^1\times {\mathrm{428471}}^1$

素因数の和:428490

約数の個数: 32

約数和(自身を含む): 655562160

約数和(自身を除く): 381340720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 428471, 856942, 1713884, 2142355, 3427768, 4284710, 6855536, 8569420, 13711072, 17138840, 27422144, 34277680, 54844288, 68555360, 137110720, 274221440]

約数ペア:

[(1, 274221440), (2, 137110720), (4, 68555360), (5, 54844288), (8, 34277680), (10, 27422144), (16, 17138840), (20, 13711072), (32, 8569420), (40, 6855536), (64, 4284710), (80, 3427768), (128, 2142355), (160, 1713884), (320, 856942), (640, 428471)]