201531310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 381645648

約数和(自身を除く): 180114338

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 313, 335, 626, 670, 961, 1565, 1922, 2077, 3130, 4154, 4805, 9610, 9703, 10385, 19406, 20770, 20971, 41942, 48515, 64387, 97030, 104855, 128774, 209710, 300793, 321935, 601586, 643870, 650101, 1300202, 1503965, 3007930, 3250505, 6501010, 20153131, 40306262, 100765655, 201531310]

約数ペア:

[(1, 201531310), (2, 100765655), (5, 40306262), (10, 20153131), (31, 6501010), (62, 3250505), (67, 3007930), (134, 1503965), (155, 1300202), (310, 650101), (313, 643870), (335, 601586), (626, 321935), (670, 300793), (961, 209710), (1565, 128774), (1922, 104855), (2077, 97030), (3130, 64387), (4154, 48515), (4805, 41942), (9610, 20971), (9703, 20770), (10385, 19406)]