42438400

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 108

約数和(自身を含む): 110887000

約数和(自身を除く): 68448600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 349, 380, 400, 475, 608, 640, 698, 760, 800, 950, 1216, 1280, 1396, 1520, 1600, 1745, 1900, 2432, 2792, 3040, 3200, 3490, 3800, 4864, 5584, 6080, 6400, 6631, 6980, 7600, 8725, 11168, 12160, 13262, 13960, 15200, 17450, 22336, 24320, 26524, 27920, 30400, 33155, 34900, 44672, 53048, 55840, 60800, 66310, 69800, 89344, 106096, 111680, 121600, 132620, 139600, 165775, 212192, 223360, 265240, 279200, 331550, 424384, 446720, 530480, 558400, 663100, 848768, 1060960, 1116800, 1326200, 1697536, 2121920, 2233600, 2652400, 4243840, 5304800, 8487680, 10609600, 21219200, 42438400]

約数ペア:

[(1, 42438400), (2, 21219200), (4, 10609600), (5, 8487680), (8, 5304800), (10, 4243840), (16, 2652400), (19, 2233600), (20, 2121920), (25, 1697536), (32, 1326200), (38, 1116800), (40, 1060960), (50, 848768), (64, 663100), (76, 558400), (80, 530480), (95, 446720), (100, 424384), (128, 331550), (152, 279200), (160, 265240), (190, 223360), (200, 212192), (256, 165775), (304, 139600), (320, 132620), (349, 121600), (380, 111680), (400, 106096), (475, 89344), (608, 69800), (640, 66310), (698, 60800), (760, 55840), (800, 53048), (950, 44672), (1216, 34900), (1280, 33155), (1396, 30400), (1520, 27920), (1600, 26524), (1745, 24320), (1900, 22336), (2432, 17450), (2792, 15200), (3040, 13960), (3200, 13262), (3490, 12160), (3800, 11168), (4864, 8725), (5584, 7600), (6080, 6980), (6400, 6631)]