1281550

素因数分解:

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

素因数の和:121

約数の個数: 36

約数和(自身を含む): 2551176

約数和(自身を除く): 1269626

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 355, 361, 475, 710, 722, 950, 1349, 1775, 1805, 2698, 3550, 3610, 6745, 9025, 13490, 18050, 25631, 33725, 51262, 67450, 128155, 256310, 640775, 1281550]

約数ペア:

[(1, 1281550), (2, 640775), (5, 256310), (10, 128155), (19, 67450), (25, 51262), (38, 33725), (50, 25631), (71, 18050), (95, 13490), (142, 9025), (190, 6745), (355, 3610), (361, 3550), (475, 2698), (710, 1805), (722, 1775), (950, 1349)]