31198550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^2\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 36

約数和(自身を含む): 59332140

約数和(自身を除く): 28133590

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 139, 278, 335, 670, 695, 1390, 1675, 3350, 3475, 4489, 6950, 8978, 9313, 18626, 22445, 44890, 46565, 93130, 112225, 224450, 232825, 465650, 623971, 1247942, 3119855, 6239710, 15599275, 31198550]

約数ペア:

[(1, 31198550), (2, 15599275), (5, 6239710), (10, 3119855), (25, 1247942), (50, 623971), (67, 465650), (134, 232825), (139, 224450), (278, 112225), (335, 93130), (670, 46565), (695, 44890), (1390, 22445), (1675, 18626), (3350, 9313), (3475, 8978), (4489, 6950)]