6403220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 14651280

約数和(自身を除く): 8248060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 509, 629, 740, 1018, 1258, 2036, 2516, 2545, 3145, 5090, 6290, 8653, 10180, 12580, 17306, 18833, 34612, 37666, 43265, 75332, 86530, 94165, 173060, 188330, 320161, 376660, 640322, 1280644, 1600805, 3201610, 6403220]

約数ペア:

[(1, 6403220), (2, 3201610), (4, 1600805), (5, 1280644), (10, 640322), (17, 376660), (20, 320161), (34, 188330), (37, 173060), (68, 94165), (74, 86530), (85, 75332), (148, 43265), (170, 37666), (185, 34612), (340, 18833), (370, 17306), (509, 12580), (629, 10180), (740, 8653), (1018, 6290), (1258, 5090), (2036, 3145), (2516, 2545)]