207979720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6779}}^1$

素因数の和:6862

約数の個数: 64

約数和(自身を含む): 512568000

約数和(自身を除く): 304588280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1180, 1534, 2360, 3068, 3835, 6136, 6779, 7670, 13558, 15340, 27116, 30680, 33895, 54232, 67790, 88127, 135580, 176254, 271160, 352508, 399961, 440635, 705016, 799922, 881270, 1599844, 1762540, 1999805, 3199688, 3525080, 3999610, 5199493, 7999220, 10398986, 15998440, 20797972, 25997465, 41595944, 51994930, 103989860, 207979720]

約数ペア:

[(1, 207979720), (2, 103989860), (4, 51994930), (5, 41595944), (8, 25997465), (10, 20797972), (13, 15998440), (20, 10398986), (26, 7999220), (40, 5199493), (52, 3999610), (59, 3525080), (65, 3199688), (104, 1999805), (118, 1762540), (130, 1599844), (236, 881270), (260, 799922), (295, 705016), (472, 440635), (520, 399961), (590, 352508), (767, 271160), (1180, 176254), (1534, 135580), (2360, 88127), (3068, 67790), (3835, 54232), (6136, 33895), (6779, 30680), (7670, 27116), (13558, 15340)]