217398350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10789}}^1$

素因数の和:10845

約数の個数: 48

約数和(自身を含む): 449554560

約数和(自身を除く): 232156210

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 10789, 20150, 21578, 53945, 107890, 140257, 269725, 280514, 334459, 539450, 668918, 701285, 1402570, 1672295, 3344590, 3506425, 4347967, 7012850, 8361475, 8695934, 16722950, 21739835, 43479670, 108699175, 217398350]

約数ペア:

[(1, 217398350), (2, 108699175), (5, 43479670), (10, 21739835), (13, 16722950), (25, 8695934), (26, 8361475), (31, 7012850), (50, 4347967), (62, 3506425), (65, 3344590), (130, 1672295), (155, 1402570), (310, 701285), (325, 668918), (403, 539450), (650, 334459), (775, 280514), (806, 269725), (1550, 140257), (2015, 107890), (4030, 53945), (10075, 21578), (10789, 20150)]