28742900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{3463}}^1$

素因数の和:3560

約数の個数: 36

約数和(自身を含む): 63141792

約数和(自身を除く): 34398892

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 3463, 4150, 6926, 8300, 13852, 17315, 34630, 69260, 86575, 173150, 287429, 346300, 574858, 1149716, 1437145, 2874290, 5748580, 7185725, 14371450, 28742900]

約数ペア:

[(1, 28742900), (2, 14371450), (4, 7185725), (5, 5748580), (10, 2874290), (20, 1437145), (25, 1149716), (50, 574858), (83, 346300), (100, 287429), (166, 173150), (332, 86575), (415, 69260), (830, 34630), (1660, 17315), (2075, 13852), (3463, 8300), (4150, 6926)]