15339550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 30132000

約数和(自身を除く): 14792450

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 142, 145, 149, 290, 298, 355, 710, 725, 745, 1450, 1490, 1775, 2059, 3550, 3725, 4118, 4321, 7450, 8642, 10295, 10579, 20590, 21158, 21605, 43210, 51475, 52895, 102950, 105790, 108025, 216050, 264475, 306791, 528950, 613582, 1533955, 3067910, 7669775, 15339550]

約数ペア:

[(1, 15339550), (2, 7669775), (5, 3067910), (10, 1533955), (25, 613582), (29, 528950), (50, 306791), (58, 264475), (71, 216050), (142, 108025), (145, 105790), (149, 102950), (290, 52895), (298, 51475), (355, 43210), (710, 21605), (725, 21158), (745, 20590), (1450, 10579), (1490, 10295), (1775, 8642), (2059, 7450), (3550, 4321), (3725, 4118)]