989143600

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1319

約数の個数: 120

約数和(自身を含む): 2495063520

約数和(自身を除く): 1505919920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 71, 80, 100, 116, 142, 145, 200, 232, 284, 290, 355, 400, 464, 568, 580, 710, 725, 1136, 1160, 1201, 1420, 1450, 1775, 2059, 2320, 2402, 2840, 2900, 3550, 4118, 4804, 5680, 5800, 6005, 7100, 8236, 9608, 10295, 11600, 12010, 14200, 16472, 19216, 20590, 24020, 28400, 30025, 32944, 34829, 41180, 48040, 51475, 60050, 69658, 82360, 85271, 96080, 102950, 120100, 139316, 164720, 170542, 174145, 205900, 240200, 278632, 341084, 348290, 411800, 426355, 480400, 557264, 682168, 696580, 823600, 852710, 870725, 1364336, 1393160, 1705420, 1741450, 2131775, 2472859, 2786320, 3410840, 3482900, 4263550, 4945718, 6821680, 6965800, 8527100, 9891436, 12364295, 13931600, 17054200, 19782872, 24728590, 34108400, 39565744, 49457180, 61821475, 98914360, 123642950, 197828720, 247285900, 494571800, 989143600]

約数ペア:

[(1, 989143600), (2, 494571800), (4, 247285900), (5, 197828720), (8, 123642950), (10, 98914360), (16, 61821475), (20, 49457180), (25, 39565744), (29, 34108400), (40, 24728590), (50, 19782872), (58, 17054200), (71, 13931600), (80, 12364295), (100, 9891436), (116, 8527100), (142, 6965800), (145, 6821680), (200, 4945718), (232, 4263550), (284, 3482900), (290, 3410840), (355, 2786320), (400, 2472859), (464, 2131775), (568, 1741450), (580, 1705420), (710, 1393160), (725, 1364336), (1136, 870725), (1160, 852710), (1201, 823600), (1420, 696580), (1450, 682168), (1775, 557264), (2059, 480400), (2320, 426355), (2402, 411800), (2840, 348290), (2900, 341084), (3550, 278632), (4118, 240200), (4804, 205900), (5680, 174145), (5800, 170542), (6005, 164720), (7100, 139316), (8236, 120100), (9608, 102950), (10295, 96080), (11600, 85271), (12010, 82360), (14200, 69658), (16472, 60050), (19216, 51475), (20590, 48040), (24020, 41180), (28400, 34829), (30025, 32944)]