2090950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 4285440

約数和(自身を除く): 2194490

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 71, 95, 142, 155, 190, 310, 355, 475, 589, 710, 775, 950, 1178, 1349, 1550, 1775, 2201, 2698, 2945, 3550, 4402, 5890, 6745, 11005, 13490, 14725, 22010, 29450, 33725, 41819, 55025, 67450, 83638, 110050, 209095, 418190, 1045475, 2090950]

約数ペア:

[(1, 2090950), (2, 1045475), (5, 418190), (10, 209095), (19, 110050), (25, 83638), (31, 67450), (38, 55025), (50, 41819), (62, 33725), (71, 29450), (95, 22010), (142, 14725), (155, 13490), (190, 11005), (310, 6745), (355, 5890), (475, 4402), (589, 3550), (710, 2945), (775, 2698), (950, 2201), (1178, 1775), (1349, 1550)]