1380491450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{31699}}^1$

素因数の和:31791

約数の個数: 48

約数和(自身を含む): 2806591200

約数和(自身を除く): 1426099750

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 1675, 1742, 3350, 4355, 8710, 21775, 31699, 43550, 63398, 158495, 316990, 412087, 792475, 824174, 1584950, 2060435, 2123833, 4120870, 4247666, 10302175, 10619165, 20604350, 21238330, 27609829, 53095825, 55219658, 106191650, 138049145, 276098290, 690245725, 1380491450]

約数ペア:

[(1, 1380491450), (2, 690245725), (5, 276098290), (10, 138049145), (13, 106191650), (25, 55219658), (26, 53095825), (50, 27609829), (65, 21238330), (67, 20604350), (130, 10619165), (134, 10302175), (325, 4247666), (335, 4120870), (650, 2123833), (670, 2060435), (871, 1584950), (1675, 824174), (1742, 792475), (3350, 412087), (4355, 316990), (8710, 158495), (21775, 63398), (31699, 43550)]