380582500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 881717760

約数和(自身を除く): 501135260

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 47, 50, 79, 82, 94, 100, 125, 158, 164, 188, 205, 235, 250, 316, 395, 410, 470, 500, 625, 790, 820, 940, 1025, 1175, 1250, 1580, 1927, 1975, 2050, 2350, 2500, 3239, 3713, 3854, 3950, 4100, 4700, 5125, 5875, 6478, 7426, 7708, 7900, 9635, 9875, 10250, 11750, 12956, 14852, 16195, 18565, 19270, 19750, 20500, 23500, 25625, 29375, 32390, 37130, 38540, 39500, 48175, 49375, 51250, 58750, 64780, 74260, 80975, 92825, 96350, 98750, 102500, 117500, 152233, 161950, 185650, 192700, 197500, 240875, 304466, 323900, 371300, 404875, 464125, 481750, 608932, 761165, 809750, 928250, 963500, 1204375, 1522330, 1619500, 1856500, 2024375, 2320625, 2408750, 3044660, 3805825, 4048750, 4641250, 4817500, 7611650, 8097500, 9282500, 15223300, 19029125, 38058250, 76116500, 95145625, 190291250, 380582500]

約数ペア:

[(1, 380582500), (2, 190291250), (4, 95145625), (5, 76116500), (10, 38058250), (20, 19029125), (25, 15223300), (41, 9282500), (47, 8097500), (50, 7611650), (79, 4817500), (82, 4641250), (94, 4048750), (100, 3805825), (125, 3044660), (158, 2408750), (164, 2320625), (188, 2024375), (205, 1856500), (235, 1619500), (250, 1522330), (316, 1204375), (395, 963500), (410, 928250), (470, 809750), (500, 761165), (625, 608932), (790, 481750), (820, 464125), (940, 404875), (1025, 371300), (1175, 323900), (1250, 304466), (1580, 240875), (1927, 197500), (1975, 192700), (2050, 185650), (2350, 161950), (2500, 152233), (3239, 117500), (3713, 102500), (3854, 98750), (3950, 96350), (4100, 92825), (4700, 80975), (5125, 74260), (5875, 64780), (6478, 58750), (7426, 51250), (7708, 49375), (7900, 48175), (9635, 39500), (9875, 38540), (10250, 37130), (11750, 32390), (12956, 29375), (14852, 25625), (16195, 23500), (18565, 20500), (19270, 19750)]