16617500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 90

約数和(自身を含む): 40280856

約数和(自身を除く): 23663356

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 125, 170, 230, 250, 289, 340, 391, 425, 460, 500, 575, 578, 625, 782, 850, 1150, 1156, 1250, 1445, 1564, 1700, 1955, 2125, 2300, 2500, 2875, 2890, 3910, 4250, 5750, 5780, 6647, 7225, 7820, 8500, 9775, 10625, 11500, 13294, 14375, 14450, 19550, 21250, 26588, 28750, 28900, 33235, 36125, 39100, 42500, 48875, 57500, 66470, 72250, 97750, 132940, 144500, 166175, 180625, 195500, 244375, 332350, 361250, 488750, 664700, 722500, 830875, 977500, 1661750, 3323500, 4154375, 8308750, 16617500]

約数ペア:

[(1, 16617500), (2, 8308750), (4, 4154375), (5, 3323500), (10, 1661750), (17, 977500), (20, 830875), (23, 722500), (25, 664700), (34, 488750), (46, 361250), (50, 332350), (68, 244375), (85, 195500), (92, 180625), (100, 166175), (115, 144500), (125, 132940), (170, 97750), (230, 72250), (250, 66470), (289, 57500), (340, 48875), (391, 42500), (425, 39100), (460, 36125), (500, 33235), (575, 28900), (578, 28750), (625, 26588), (782, 21250), (850, 19550), (1150, 14450), (1156, 14375), (1250, 13294), (1445, 11500), (1564, 10625), (1700, 9775), (1955, 8500), (2125, 7820), (2300, 7225), (2500, 6647), (2875, 5780), (2890, 5750), (3910, 4250)]