2105220500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^3\times {\mathrm{857}}^1$

素因数の和:927

約数の個数: 96

約数和(自身を含む): 4890805920

約数和(自身を除く): 2785585420

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 289, 340, 425, 500, 578, 850, 857, 1156, 1445, 1700, 1714, 2125, 2890, 3428, 4250, 4285, 4913, 5780, 7225, 8500, 8570, 9826, 14450, 14569, 17140, 19652, 21425, 24565, 28900, 29138, 36125, 42850, 49130, 58276, 72250, 72845, 85700, 98260, 107125, 122825, 144500, 145690, 214250, 245650, 247673, 291380, 364225, 428500, 491300, 495346, 614125, 728450, 990692, 1228250, 1238365, 1456900, 1821125, 2456500, 2476730, 3642250, 4210441, 4953460, 6191825, 7284500, 8420882, 12383650, 16841764, 21052205, 24767300, 30959125, 42104410, 61918250, 84208820, 105261025, 123836500, 210522050, 421044100, 526305125, 1052610250, 2105220500]

約数ペア:

[(1, 2105220500), (2, 1052610250), (4, 526305125), (5, 421044100), (10, 210522050), (17, 123836500), (20, 105261025), (25, 84208820), (34, 61918250), (50, 42104410), (68, 30959125), (85, 24767300), (100, 21052205), (125, 16841764), (170, 12383650), (250, 8420882), (289, 7284500), (340, 6191825), (425, 4953460), (500, 4210441), (578, 3642250), (850, 2476730), (857, 2456500), (1156, 1821125), (1445, 1456900), (1700, 1238365), (1714, 1228250), (2125, 990692), (2890, 728450), (3428, 614125), (4250, 495346), (4285, 491300), (4913, 428500), (5780, 364225), (7225, 291380), (8500, 247673), (8570, 245650), (9826, 214250), (14450, 145690), (14569, 144500), (17140, 122825), (19652, 107125), (21425, 98260), (24565, 85700), (28900, 72845), (29138, 72250), (36125, 58276), (42850, 49130)]