127478540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{910561}}^1$

素因数の和:910577

約数の個数: 24

約数和(自身を含む): 305948832

約数和(自身を除く): 178470292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 910561, 1821122, 3642244, 4552805, 6373927, 9105610, 12747854, 18211220, 25495708, 31869635, 63739270, 127478540]

約数ペア:

[(1, 127478540), (2, 63739270), (4, 31869635), (5, 25495708), (7, 18211220), (10, 12747854), (14, 9105610), (20, 6373927), (28, 4552805), (35, 3642244), (70, 1821122), (140, 910561)]