272909440

素因数分解:

$2^7\times 5^1\times {\mathrm{426421}}^1$

素因数の和:426440

約数の個数: 32

約数和(自身を含む): 652425660

約数和(自身を除く): 379516220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 426421, 852842, 1705684, 2132105, 3411368, 4264210, 6822736, 8528420, 13645472, 17056840, 27290944, 34113680, 54581888, 68227360, 136454720, 272909440]

約数ペア:

[(1, 272909440), (2, 136454720), (4, 68227360), (5, 54581888), (8, 34113680), (10, 27290944), (16, 17056840), (20, 13645472), (32, 8528420), (40, 6822736), (64, 4264210), (80, 3411368), (128, 2132105), (160, 1705684), (320, 852842), (640, 426421)]