1910000

素因数分解:

$2^4\times 5^4\times {\mathrm{191}}^1$

素因数の和:219

約数の個数: 50

約数和(自身を含む): 4648512

約数和(自身を除く): 2738512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 191, 200, 250, 382, 400, 500, 625, 764, 955, 1000, 1250, 1528, 1910, 2000, 2500, 3056, 3820, 4775, 5000, 7640, 9550, 10000, 15280, 19100, 23875, 38200, 47750, 76400, 95500, 119375, 191000, 238750, 382000, 477500, 955000, 1910000]

約数ペア:

[(1, 1910000), (2, 955000), (4, 477500), (5, 382000), (8, 238750), (10, 191000), (16, 119375), (20, 95500), (25, 76400), (40, 47750), (50, 38200), (80, 23875), (100, 19100), (125, 15280), (191, 10000), (200, 9550), (250, 7640), (382, 5000), (400, 4775), (500, 3820), (625, 3056), (764, 2500), (955, 2000), (1000, 1910), (1250, 1528)]