2563100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 54

約数和(自身を含む): 5952744

約数和(自身を除く): 3389644

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 361, 380, 475, 710, 722, 950, 1349, 1420, 1444, 1775, 1805, 1900, 2698, 3550, 3610, 5396, 6745, 7100, 7220, 9025, 13490, 18050, 25631, 26980, 33725, 36100, 51262, 67450, 102524, 128155, 134900, 256310, 512620, 640775, 1281550, 2563100]

約数ペア:

[(1, 2563100), (2, 1281550), (4, 640775), (5, 512620), (10, 256310), (19, 134900), (20, 128155), (25, 102524), (38, 67450), (50, 51262), (71, 36100), (76, 33725), (95, 26980), (100, 25631), (142, 18050), (190, 13490), (284, 9025), (355, 7220), (361, 7100), (380, 6745), (475, 5396), (710, 3610), (722, 3550), (950, 2698), (1349, 1900), (1420, 1805), (1444, 1775)]