74457890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{953}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 144725616

約数和(自身を除く): 70267726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 601, 953, 1202, 1906, 3005, 4765, 6010, 7813, 9530, 12389, 15626, 24778, 39065, 61945, 78130, 123890, 572753, 1145506, 2863765, 5727530, 7445789, 14891578, 37228945, 74457890]

約数ペア:

[(1, 74457890), (2, 37228945), (5, 14891578), (10, 7445789), (13, 5727530), (26, 2863765), (65, 1145506), (130, 572753), (601, 123890), (953, 78130), (1202, 61945), (1906, 39065), (3005, 24778), (4765, 15626), (6010, 12389), (7813, 9530)]