205737460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 440100864

約数和(自身を除く): 234363404

約数列:

[1, 2, 4, 5, 10, 20, 107, 127, 214, 254, 428, 508, 535, 635, 757, 1070, 1270, 1514, 2140, 2540, 3028, 3785, 7570, 13589, 15140, 27178, 54356, 67945, 80999, 96139, 135890, 161998, 192278, 271780, 323996, 384556, 404995, 480695, 809990, 961390, 1619980, 1922780, 10286873, 20573746, 41147492, 51434365, 102868730, 205737460]

約数ペア:

[(1, 205737460), (2, 102868730), (4, 51434365), (5, 41147492), (10, 20573746), (20, 10286873), (107, 1922780), (127, 1619980), (214, 961390), (254, 809990), (428, 480695), (508, 404995), (535, 384556), (635, 323996), (757, 271780), (1070, 192278), (1270, 161998), (1514, 135890), (2140, 96139), (2540, 80999), (3028, 67945), (3785, 54356), (7570, 27178), (13589, 15140)]