28906100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3659}}^1$

素因数の和:3752

約数の個数: 36

約数和(自身を含む): 63537600

約数和(自身を除く): 34631500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3659, 3950, 7318, 7900, 14636, 18295, 36590, 73180, 91475, 182950, 289061, 365900, 578122, 1156244, 1445305, 2890610, 5781220, 7226525, 14453050, 28906100]

約数ペア:

[(1, 28906100), (2, 14453050), (4, 7226525), (5, 5781220), (10, 2890610), (20, 1445305), (25, 1156244), (50, 578122), (79, 365900), (100, 289061), (158, 182950), (316, 91475), (395, 73180), (790, 36590), (1580, 18295), (1975, 14636), (3659, 7900), (3950, 7318)]