251045000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 641044800

約数和(自身を除く): 389999800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 37, 40, 46, 50, 59, 74, 92, 100, 115, 118, 125, 148, 184, 185, 200, 230, 236, 250, 295, 296, 370, 460, 472, 500, 575, 590, 625, 740, 851, 920, 925, 1000, 1150, 1180, 1250, 1357, 1475, 1480, 1702, 1850, 2183, 2300, 2360, 2500, 2714, 2875, 2950, 3404, 3700, 4255, 4366, 4600, 4625, 5000, 5428, 5750, 5900, 6785, 6808, 7375, 7400, 8510, 8732, 9250, 10856, 10915, 11500, 11800, 13570, 14375, 14750, 17020, 17464, 18500, 21275, 21830, 23000, 23125, 27140, 28750, 29500, 33925, 34040, 36875, 37000, 42550, 43660, 46250, 50209, 54280, 54575, 57500, 59000, 67850, 73750, 85100, 87320, 92500, 100418, 106375, 109150, 115000, 135700, 147500, 169625, 170200, 185000, 200836, 212750, 218300, 251045, 271400, 272875, 295000, 339250, 401672, 425500, 436600, 502090, 531875, 545750, 678500, 848125, 851000, 1004180, 1063750, 1091500, 1255225, 1357000, 1364375, 1696250, 2008360, 2127500, 2183000, 2510450, 2728750, 3392500, 4255000, 5020900, 5457500, 6276125, 6785000, 10041800, 10915000, 12552250, 25104500, 31380625, 50209000, 62761250, 125522500, 251045000]

約数ペア:

[(1, 251045000), (2, 125522500), (4, 62761250), (5, 50209000), (8, 31380625), (10, 25104500), (20, 12552250), (23, 10915000), (25, 10041800), (37, 6785000), (40, 6276125), (46, 5457500), (50, 5020900), (59, 4255000), (74, 3392500), (92, 2728750), (100, 2510450), (115, 2183000), (118, 2127500), (125, 2008360), (148, 1696250), (184, 1364375), (185, 1357000), (200, 1255225), (230, 1091500), (236, 1063750), (250, 1004180), (295, 851000), (296, 848125), (370, 678500), (460, 545750), (472, 531875), (500, 502090), (575, 436600), (590, 425500), (625, 401672), (740, 339250), (851, 295000), (920, 272875), (925, 271400), (1000, 251045), (1150, 218300), (1180, 212750), (1250, 200836), (1357, 185000), (1475, 170200), (1480, 169625), (1702, 147500), (1850, 135700), (2183, 115000), (2300, 109150), (2360, 106375), (2500, 100418), (2714, 92500), (2875, 87320), (2950, 85100), (3404, 73750), (3700, 67850), (4255, 59000), (4366, 57500), (4600, 54575), (4625, 54280), (5000, 50209), (5428, 46250), (5750, 43660), (5900, 42550), (6785, 37000), (6808, 36875), (7375, 34040), (7400, 33925), (8510, 29500), (8732, 28750), (9250, 27140), (10856, 23125), (10915, 23000), (11500, 21830), (11800, 21275), (13570, 18500), (14375, 17464), (14750, 17020)]