90391000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 128

約数和(自身を含む): 248976000

約数和(自身を除く): 158585000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 100, 125, 140, 148, 175, 185, 200, 250, 259, 280, 296, 349, 350, 370, 500, 518, 698, 700, 740, 875, 925, 1000, 1036, 1295, 1396, 1400, 1480, 1745, 1750, 1850, 2072, 2443, 2590, 2792, 3490, 3500, 3700, 4625, 4886, 5180, 6475, 6980, 7000, 7400, 8725, 9250, 9772, 10360, 12215, 12913, 12950, 13960, 17450, 18500, 19544, 24430, 25826, 25900, 32375, 34900, 37000, 43625, 48860, 51652, 51800, 61075, 64565, 64750, 69800, 87250, 90391, 97720, 103304, 122150, 129130, 129500, 174500, 180782, 244300, 258260, 259000, 305375, 322825, 349000, 361564, 451955, 488600, 516520, 610750, 645650, 723128, 903910, 1221500, 1291300, 1614125, 1807820, 2259775, 2443000, 2582600, 3228250, 3615640, 4519550, 6456500, 9039100, 11298875, 12913000, 18078200, 22597750, 45195500, 90391000]

約数ペア:

[(1, 90391000), (2, 45195500), (4, 22597750), (5, 18078200), (7, 12913000), (8, 11298875), (10, 9039100), (14, 6456500), (20, 4519550), (25, 3615640), (28, 3228250), (35, 2582600), (37, 2443000), (40, 2259775), (50, 1807820), (56, 1614125), (70, 1291300), (74, 1221500), (100, 903910), (125, 723128), (140, 645650), (148, 610750), (175, 516520), (185, 488600), (200, 451955), (250, 361564), (259, 349000), (280, 322825), (296, 305375), (349, 259000), (350, 258260), (370, 244300), (500, 180782), (518, 174500), (698, 129500), (700, 129130), (740, 122150), (875, 103304), (925, 97720), (1000, 90391), (1036, 87250), (1295, 69800), (1396, 64750), (1400, 64565), (1480, 61075), (1745, 51800), (1750, 51652), (1850, 48860), (2072, 43625), (2443, 37000), (2590, 34900), (2792, 32375), (3490, 25900), (3500, 25826), (3700, 24430), (4625, 19544), (4886, 18500), (5180, 17450), (6475, 13960), (6980, 12950), (7000, 12913), (7400, 12215), (8725, 10360), (9250, 9772)]