156905260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2609}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 343768320

約数和(自身を除く): 186863060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 2609, 3007, 5218, 6014, 10436, 12028, 13045, 15035, 26090, 30070, 52180, 60140, 80879, 161758, 253073, 323516, 404395, 506146, 808790, 1012292, 1265365, 1617580, 2530730, 5061460, 7845263, 15690526, 31381052, 39226315, 78452630, 156905260]

約数ペア:

[(1, 156905260), (2, 78452630), (4, 39226315), (5, 31381052), (10, 15690526), (20, 7845263), (31, 5061460), (62, 2530730), (97, 1617580), (124, 1265365), (155, 1012292), (194, 808790), (310, 506146), (388, 404395), (485, 323516), (620, 253073), (970, 161758), (1940, 80879), (2609, 60140), (3007, 52180), (5218, 30070), (6014, 26090), (10436, 15035), (12028, 13045)]