278200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 703080

約数和(自身を除く): 424880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 107, 130, 200, 214, 260, 325, 428, 520, 535, 650, 856, 1070, 1300, 1391, 2140, 2600, 2675, 2782, 4280, 5350, 5564, 6955, 10700, 11128, 13910, 21400, 27820, 34775, 55640, 69550, 139100, 278200]

約数ペア:

[(1, 278200), (2, 139100), (4, 69550), (5, 55640), (8, 34775), (10, 27820), (13, 21400), (20, 13910), (25, 11128), (26, 10700), (40, 6955), (50, 5564), (52, 5350), (65, 4280), (100, 2782), (104, 2675), (107, 2600), (130, 2140), (200, 1391), (214, 1300), (260, 1070), (325, 856), (428, 650), (520, 535)]