74128420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{60761}}^1$

素因数の和:60831

約数の個数: 24

約数和(自身を含む): 158224248

約数和(自身を除く): 84095828

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 60761, 121522, 243044, 303805, 607610, 1215220, 3706421, 7412842, 14825684, 18532105, 37064210, 74128420]

約数ペア:

[(1, 74128420), (2, 37064210), (4, 18532105), (5, 14825684), (10, 7412842), (20, 3706421), (61, 1215220), (122, 607610), (244, 303805), (305, 243044), (610, 121522), (1220, 60761)]