69281980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7927}}^1$

素因数の和:7978

約数の個数: 48

約数和(自身を含む): 159828480

約数和(自身を除く): 90546500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 7927, 8740, 15854, 31708, 39635, 79270, 150613, 158540, 182321, 301226, 364642, 602452, 729284, 753065, 911605, 1506130, 1823210, 3012260, 3464099, 3646420, 6928198, 13856396, 17320495, 34640990, 69281980]

約数ペア:

[(1, 69281980), (2, 34640990), (4, 17320495), (5, 13856396), (10, 6928198), (19, 3646420), (20, 3464099), (23, 3012260), (38, 1823210), (46, 1506130), (76, 911605), (92, 753065), (95, 729284), (115, 602452), (190, 364642), (230, 301226), (380, 182321), (437, 158540), (460, 150613), (874, 79270), (1748, 39635), (2185, 31708), (4370, 15854), (7927, 8740)]