68168021380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{88523}}^1$

素因数の和:88948

約数の個数: 48

約数和(自身を含む): 144704871360

約数和(自身を除く): 76536849980

約数列:

[1, 2, 4, 5, 10, 20, 139, 277, 278, 554, 556, 695, 1108, 1385, 1390, 2770, 2780, 5540, 38503, 77006, 88523, 154012, 177046, 192515, 354092, 385030, 442615, 770060, 885230, 1770460, 12304697, 24520871, 24609394, 49041742, 49218788, 61523485, 98083484, 122604355, 123046970, 245208710, 246093940, 490417420, 3408401069, 6816802138, 13633604276, 17042005345, 34084010690, 68168021380]

約数ペア:

[(1, 68168021380), (2, 34084010690), (4, 17042005345), (5, 13633604276), (10, 6816802138), (20, 3408401069), (139, 490417420), (277, 246093940), (278, 245208710), (554, 123046970), (556, 122604355), (695, 98083484), (1108, 61523485), (1385, 49218788), (1390, 49041742), (2770, 24609394), (2780, 24520871), (5540, 12304697), (38503, 1770460), (77006, 885230), (88523, 770060), (154012, 442615), (177046, 385030), (192515, 354092)]