199770400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 531669096

約数和(自身を除く): 331898696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 37, 40, 50, 68, 74, 80, 85, 100, 136, 148, 160, 170, 185, 200, 272, 296, 340, 370, 397, 400, 425, 544, 592, 629, 680, 740, 794, 800, 850, 925, 1184, 1258, 1360, 1480, 1588, 1700, 1850, 1985, 2516, 2720, 2960, 3145, 3176, 3400, 3700, 3970, 5032, 5920, 6290, 6352, 6749, 6800, 7400, 7940, 9925, 10064, 12580, 12704, 13498, 13600, 14689, 14800, 15725, 15880, 19850, 20128, 25160, 26996, 29378, 29600, 31450, 31760, 33745, 39700, 50320, 53992, 58756, 62900, 63520, 67490, 73445, 79400, 100640, 107984, 117512, 125800, 134980, 146890, 158800, 168725, 215968, 235024, 249713, 251600, 269960, 293780, 317600, 337450, 367225, 470048, 499426, 503200, 539920, 587560, 674900, 734450, 998852, 1079840, 1175120, 1248565, 1349800, 1468900, 1997704, 2350240, 2497130, 2699600, 2937800, 3995408, 4994260, 5399200, 5875600, 6242825, 7990816, 9988520, 11751200, 12485650, 19977040, 24971300, 39954080, 49942600, 99885200, 199770400]

約数ペア:

[(1, 199770400), (2, 99885200), (4, 49942600), (5, 39954080), (8, 24971300), (10, 19977040), (16, 12485650), (17, 11751200), (20, 9988520), (25, 7990816), (32, 6242825), (34, 5875600), (37, 5399200), (40, 4994260), (50, 3995408), (68, 2937800), (74, 2699600), (80, 2497130), (85, 2350240), (100, 1997704), (136, 1468900), (148, 1349800), (160, 1248565), (170, 1175120), (185, 1079840), (200, 998852), (272, 734450), (296, 674900), (340, 587560), (370, 539920), (397, 503200), (400, 499426), (425, 470048), (544, 367225), (592, 337450), (629, 317600), (680, 293780), (740, 269960), (794, 251600), (800, 249713), (850, 235024), (925, 215968), (1184, 168725), (1258, 158800), (1360, 146890), (1480, 134980), (1588, 125800), (1700, 117512), (1850, 107984), (1985, 100640), (2516, 79400), (2720, 73445), (2960, 67490), (3145, 63520), (3176, 62900), (3400, 58756), (3700, 53992), (3970, 50320), (5032, 39700), (5920, 33745), (6290, 31760), (6352, 31450), (6749, 29600), (6800, 29378), (7400, 26996), (7940, 25160), (9925, 20128), (10064, 19850), (12580, 15880), (12704, 15725), (13498, 14800), (13600, 14689)]