202474240

素因数分解:

$2^8\times 5^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 487494000

約数和(自身を除く): 285019760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 317, 320, 499, 634, 640, 998, 1268, 1280, 1585, 1996, 2495, 2536, 3170, 3992, 4990, 5072, 6340, 7984, 9980, 10144, 12680, 15968, 19960, 20288, 25360, 31936, 39920, 40576, 50720, 63872, 79840, 81152, 101440, 127744, 158183, 159680, 202880, 316366, 319360, 405760, 632732, 638720, 790915, 1265464, 1581830, 2530928, 3163660, 5061856, 6327320, 10123712, 12654640, 20247424, 25309280, 40494848, 50618560, 101237120, 202474240]

約数ペア:

[(1, 202474240), (2, 101237120), (4, 50618560), (5, 40494848), (8, 25309280), (10, 20247424), (16, 12654640), (20, 10123712), (32, 6327320), (40, 5061856), (64, 3163660), (80, 2530928), (128, 1581830), (160, 1265464), (256, 790915), (317, 638720), (320, 632732), (499, 405760), (634, 319360), (640, 316366), (998, 202880), (1268, 159680), (1280, 158183), (1585, 127744), (1996, 101440), (2495, 81152), (2536, 79840), (3170, 63872), (3992, 50720), (4990, 40576), (5072, 39920), (6340, 31936), (7984, 25360), (9980, 20288), (10144, 19960), (12680, 15968)]