30728090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 56733696

約数和(自身を除く): 26005606

約数列:

[1, 2, 5, 10, 71, 113, 142, 226, 355, 383, 565, 710, 766, 1130, 1915, 3830, 8023, 16046, 27193, 40115, 43279, 54386, 80230, 86558, 135965, 216395, 271930, 432790, 3072809, 6145618, 15364045, 30728090]

約数ペア:

[(1, 30728090), (2, 15364045), (5, 6145618), (10, 3072809), (71, 432790), (113, 271930), (142, 216395), (226, 135965), (355, 86558), (383, 80230), (565, 54386), (710, 43279), (766, 40115), (1130, 27193), (1915, 16046), (3830, 8023)]