30331220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4201}}^1$

素因数の和:4248

約数の個数: 36

約数和(自身を含む): 67240404

約数和(自身を除く): 36909184

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 4201, 7220, 8402, 16804, 21005, 42010, 79819, 84020, 159638, 319276, 399095, 798190, 1516561, 1596380, 3033122, 6066244, 7582805, 15165610, 30331220]

約数ペア:

[(1, 30331220), (2, 15165610), (4, 7582805), (5, 6066244), (10, 3033122), (19, 1596380), (20, 1516561), (38, 798190), (76, 399095), (95, 319276), (190, 159638), (361, 84020), (380, 79819), (722, 42010), (1444, 21005), (1805, 16804), (3610, 8402), (4201, 7220)]