39440290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 73846080

約数和(自身を除く): 34405790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 307, 443, 614, 886, 1535, 2215, 3070, 4430, 8903, 12847, 17806, 25694, 44515, 64235, 89030, 128470, 136001, 272002, 680005, 1360010, 3944029, 7888058, 19720145, 39440290]

約数ペア:

[(1, 39440290), (2, 19720145), (5, 7888058), (10, 3944029), (29, 1360010), (58, 680005), (145, 272002), (290, 136001), (307, 128470), (443, 89030), (614, 64235), (886, 44515), (1535, 25694), (2215, 17806), (3070, 12847), (4430, 8903)]