204029920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75011}}^1$

素因数の和:75043

約数の個数: 48

約数和(自身を含む): 510381648

約数和(自身を除く): 306351728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 75011, 150022, 300044, 375055, 600088, 750110, 1200176, 1275187, 1500220, 2400352, 2550374, 3000440, 5100748, 6000880, 6375935, 10201496, 12001760, 12751870, 20402992, 25503740, 40805984, 51007480, 102014960, 204029920]

約数ペア:

[(1, 204029920), (2, 102014960), (4, 51007480), (5, 40805984), (8, 25503740), (10, 20402992), (16, 12751870), (17, 12001760), (20, 10201496), (32, 6375935), (34, 6000880), (40, 5100748), (68, 3000440), (80, 2550374), (85, 2400352), (136, 1500220), (160, 1275187), (170, 1200176), (272, 750110), (340, 600088), (544, 375055), (680, 300044), (1360, 150022), (2720, 75011)]