207860000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:596

約数の個数: 120

約数和(自身を含む): 539264880

約数和(自身を除く): 331404880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 380, 400, 475, 500, 547, 608, 625, 760, 800, 950, 1000, 1094, 1250, 1520, 1900, 2000, 2188, 2375, 2500, 2735, 3040, 3800, 4000, 4376, 4750, 5000, 5470, 7600, 8752, 9500, 10000, 10393, 10940, 11875, 13675, 15200, 17504, 19000, 20000, 20786, 21880, 23750, 27350, 38000, 41572, 43760, 47500, 51965, 54700, 68375, 76000, 83144, 87520, 95000, 103930, 109400, 136750, 166288, 190000, 207860, 218800, 259825, 273500, 332576, 341875, 380000, 415720, 437600, 519650, 547000, 683750, 831440, 1039300, 1094000, 1299125, 1367500, 1662880, 2078600, 2188000, 2598250, 2735000, 4157200, 5196500, 5470000, 6495625, 8314400, 10393000, 10940000, 12991250, 20786000, 25982500, 41572000, 51965000, 103930000, 207860000]

約数ペア:

[(1, 207860000), (2, 103930000), (4, 51965000), (5, 41572000), (8, 25982500), (10, 20786000), (16, 12991250), (19, 10940000), (20, 10393000), (25, 8314400), (32, 6495625), (38, 5470000), (40, 5196500), (50, 4157200), (76, 2735000), (80, 2598250), (95, 2188000), (100, 2078600), (125, 1662880), (152, 1367500), (160, 1299125), (190, 1094000), (200, 1039300), (250, 831440), (304, 683750), (380, 547000), (400, 519650), (475, 437600), (500, 415720), (547, 380000), (608, 341875), (625, 332576), (760, 273500), (800, 259825), (950, 218800), (1000, 207860), (1094, 190000), (1250, 166288), (1520, 136750), (1900, 109400), (2000, 103930), (2188, 95000), (2375, 87520), (2500, 83144), (2735, 76000), (3040, 68375), (3800, 54700), (4000, 51965), (4376, 47500), (4750, 43760), (5000, 41572), (5470, 38000), (7600, 27350), (8752, 23750), (9500, 21880), (10000, 20786), (10393, 20000), (10940, 19000), (11875, 17504), (13675, 15200)]