4775000

素因数分解:

$2^3\times 5^5\times {\mathrm{191}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 11249280

約数和(自身を除く): 6474280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 191, 200, 250, 382, 500, 625, 764, 955, 1000, 1250, 1528, 1910, 2500, 3125, 3820, 4775, 5000, 6250, 7640, 9550, 12500, 19100, 23875, 25000, 38200, 47750, 95500, 119375, 191000, 238750, 477500, 596875, 955000, 1193750, 2387500, 4775000]

約数ペア:

[(1, 4775000), (2, 2387500), (4, 1193750), (5, 955000), (8, 596875), (10, 477500), (20, 238750), (25, 191000), (40, 119375), (50, 95500), (100, 47750), (125, 38200), (191, 25000), (200, 23875), (250, 19100), (382, 12500), (500, 9550), (625, 7640), (764, 6250), (955, 5000), (1000, 4775), (1250, 3820), (1528, 3125), (1910, 2500)]