9780250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 10437350

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 71, 95, 125, 142, 145, 190, 250, 290, 355, 475, 551, 710, 725, 950, 1102, 1349, 1450, 1775, 2059, 2375, 2698, 2755, 3550, 3625, 4118, 4750, 5510, 6745, 7250, 8875, 10295, 13490, 13775, 17750, 20590, 27550, 33725, 39121, 51475, 67450, 68875, 78242, 102950, 137750, 168625, 195605, 257375, 337250, 391210, 514750, 978025, 1956050, 4890125, 9780250]

約数ペア:

[(1, 9780250), (2, 4890125), (5, 1956050), (10, 978025), (19, 514750), (25, 391210), (29, 337250), (38, 257375), (50, 195605), (58, 168625), (71, 137750), (95, 102950), (125, 78242), (142, 68875), (145, 67450), (190, 51475), (250, 39121), (290, 33725), (355, 27550), (475, 20590), (551, 17750), (710, 13775), (725, 13490), (950, 10295), (1102, 8875), (1349, 7250), (1450, 6745), (1775, 5510), (2059, 4750), (2375, 4118), (2698, 3625), (2755, 3550)]