228215240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1019}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 561816000

約数和(自身を除く): 333600760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 509, 1018, 1019, 2036, 2038, 2545, 4072, 4076, 5090, 5095, 5599, 8152, 10180, 10190, 11198, 11209, 20360, 20380, 22396, 22418, 27995, 40760, 44792, 44836, 55990, 56045, 89672, 111980, 112090, 223960, 224180, 448360, 518671, 1037342, 2074684, 2593355, 4149368, 5186710, 5705381, 10373420, 11410762, 20746840, 22821524, 28526905, 45643048, 57053810, 114107620, 228215240]

約数ペア:

[(1, 228215240), (2, 114107620), (4, 57053810), (5, 45643048), (8, 28526905), (10, 22821524), (11, 20746840), (20, 11410762), (22, 10373420), (40, 5705381), (44, 5186710), (55, 4149368), (88, 2593355), (110, 2074684), (220, 1037342), (440, 518671), (509, 448360), (1018, 224180), (1019, 223960), (2036, 112090), (2038, 111980), (2545, 89672), (4072, 56045), (4076, 55990), (5090, 44836), (5095, 44792), (5599, 40760), (8152, 27995), (10180, 22418), (10190, 22396), (11198, 20380), (11209, 20360)]