405706240

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:500

約数の個数: 120

約数和(自身を含む): 1028974320

約数和(自身を除く): 623268080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 361, 380, 439, 512, 608, 640, 722, 760, 878, 1216, 1280, 1444, 1520, 1756, 1805, 2195, 2432, 2560, 2888, 3040, 3512, 3610, 4390, 4864, 5776, 6080, 7024, 7220, 8341, 8780, 9728, 11552, 12160, 14048, 14440, 16682, 17560, 23104, 24320, 28096, 28880, 33364, 35120, 41705, 46208, 48640, 56192, 57760, 66728, 70240, 83410, 92416, 112384, 115520, 133456, 140480, 158479, 166820, 184832, 224768, 231040, 266912, 280960, 316958, 333640, 462080, 533824, 561920, 633916, 667280, 792395, 924160, 1067648, 1123840, 1267832, 1334560, 1584790, 2135296, 2535664, 2669120, 3169580, 4270592, 5071328, 5338240, 6339160, 10142656, 10676480, 12678320, 20285312, 21352960, 25356640, 40570624, 50713280, 81141248, 101426560, 202853120, 405706240]

約数ペア:

[(1, 405706240), (2, 202853120), (4, 101426560), (5, 81141248), (8, 50713280), (10, 40570624), (16, 25356640), (19, 21352960), (20, 20285312), (32, 12678320), (38, 10676480), (40, 10142656), (64, 6339160), (76, 5338240), (80, 5071328), (95, 4270592), (128, 3169580), (152, 2669120), (160, 2535664), (190, 2135296), (256, 1584790), (304, 1334560), (320, 1267832), (361, 1123840), (380, 1067648), (439, 924160), (512, 792395), (608, 667280), (640, 633916), (722, 561920), (760, 533824), (878, 462080), (1216, 333640), (1280, 316958), (1444, 280960), (1520, 266912), (1756, 231040), (1805, 224768), (2195, 184832), (2432, 166820), (2560, 158479), (2888, 140480), (3040, 133456), (3512, 115520), (3610, 112384), (4390, 92416), (4864, 83410), (5776, 70240), (6080, 66728), (7024, 57760), (7220, 56192), (8341, 48640), (8780, 46208), (9728, 41705), (11552, 35120), (12160, 33364), (14048, 28880), (14440, 28096), (16682, 24320), (17560, 23104)]