139806280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3637}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 325128060

約数和(自身を除く): 185321780

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3637, 3844, 4805, 7274, 7688, 9610, 14548, 18185, 19220, 29096, 36370, 38440, 72740, 112747, 145480, 225494, 450988, 563735, 901976, 1127470, 2254940, 3495157, 4509880, 6990314, 13980628, 17475785, 27961256, 34951570, 69903140, 139806280]

約数ペア:

[(1, 139806280), (2, 69903140), (4, 34951570), (5, 27961256), (8, 17475785), (10, 13980628), (20, 6990314), (31, 4509880), (40, 3495157), (62, 2254940), (124, 1127470), (155, 901976), (248, 563735), (310, 450988), (620, 225494), (961, 145480), (1240, 112747), (1922, 72740), (3637, 38440), (3844, 36370), (4805, 29096), (7274, 19220), (7688, 18185), (9610, 14548)]