9072500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 20993280

約数和(自身を除く): 11920780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 191, 250, 380, 382, 475, 500, 625, 764, 950, 955, 1250, 1900, 1910, 2375, 2500, 3629, 3820, 4750, 4775, 7258, 9500, 9550, 11875, 14516, 18145, 19100, 23750, 23875, 36290, 47500, 47750, 72580, 90725, 95500, 119375, 181450, 238750, 362900, 453625, 477500, 907250, 1814500, 2268125, 4536250, 9072500]

約数ペア:

[(1, 9072500), (2, 4536250), (4, 2268125), (5, 1814500), (10, 907250), (19, 477500), (20, 453625), (25, 362900), (38, 238750), (50, 181450), (76, 119375), (95, 95500), (100, 90725), (125, 72580), (190, 47750), (191, 47500), (250, 36290), (380, 23875), (382, 23750), (475, 19100), (500, 18145), (625, 14516), (764, 11875), (950, 9550), (955, 9500), (1250, 7258), (1900, 4775), (1910, 4750), (2375, 3820), (2500, 3629)]