273677440

素因数分解:

$2^7\times 5^1\times {\mathrm{427621}}^1$

素因数の和:427640

約数の個数: 32

約数和(自身を含む): 654261660

約数和(自身を除く): 380584220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 427621, 855242, 1710484, 2138105, 3420968, 4276210, 6841936, 8552420, 13683872, 17104840, 27367744, 34209680, 54735488, 68419360, 136838720, 273677440]

約数ペア:

[(1, 273677440), (2, 136838720), (4, 68419360), (5, 54735488), (8, 34209680), (10, 27367744), (16, 17104840), (20, 13683872), (32, 8552420), (40, 6841936), (64, 4276210), (80, 3420968), (128, 2138105), (160, 1710484), (320, 855242), (640, 427621)]