199775500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1292

約数の個数: 96

約数和(自身を含む): 486682560

約数和(自身を除く): 286907060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 125, 170, 190, 250, 323, 340, 380, 425, 475, 500, 646, 850, 950, 1237, 1292, 1615, 1700, 1900, 2125, 2375, 2474, 3230, 4250, 4750, 4948, 6185, 6460, 8075, 8500, 9500, 12370, 16150, 21029, 23503, 24740, 30925, 32300, 40375, 42058, 47006, 61850, 80750, 84116, 94012, 105145, 117515, 123700, 154625, 161500, 210290, 235030, 309250, 399551, 420580, 470060, 525725, 587575, 618500, 799102, 1051450, 1175150, 1598204, 1997755, 2102900, 2350300, 2628625, 2937875, 3995510, 5257250, 5875750, 7991020, 9988775, 10514500, 11751500, 19977550, 39955100, 49943875, 99887750, 199775500]

約数ペア:

[(1, 199775500), (2, 99887750), (4, 49943875), (5, 39955100), (10, 19977550), (17, 11751500), (19, 10514500), (20, 9988775), (25, 7991020), (34, 5875750), (38, 5257250), (50, 3995510), (68, 2937875), (76, 2628625), (85, 2350300), (95, 2102900), (100, 1997755), (125, 1598204), (170, 1175150), (190, 1051450), (250, 799102), (323, 618500), (340, 587575), (380, 525725), (425, 470060), (475, 420580), (500, 399551), (646, 309250), (850, 235030), (950, 210290), (1237, 161500), (1292, 154625), (1615, 123700), (1700, 117515), (1900, 105145), (2125, 94012), (2375, 84116), (2474, 80750), (3230, 61850), (4250, 47006), (4750, 42058), (4948, 40375), (6185, 32300), (6460, 30925), (8075, 24740), (8500, 23503), (9500, 21029), (12370, 16150)]