74872840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{267403}}^1$

素因数の和:267421

約数の個数: 32

約数和(自身を含む): 192530880

約数和(自身を除く): 117658040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 267403, 534806, 1069612, 1337015, 1871821, 2139224, 2674030, 3743642, 5348060, 7487284, 9359105, 10696120, 14974568, 18718210, 37436420, 74872840]

約数ペア:

[(1, 74872840), (2, 37436420), (4, 18718210), (5, 14974568), (7, 10696120), (8, 9359105), (10, 7487284), (14, 5348060), (20, 3743642), (28, 2674030), (35, 2139224), (40, 1871821), (56, 1337015), (70, 1069612), (140, 534806), (280, 267403)]