13293980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 32114880

約数和(自身を除く): 18820900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 353, 538, 706, 1076, 1345, 1412, 1765, 1883, 2471, 2690, 3530, 3766, 4942, 5380, 7060, 7532, 9415, 9884, 12355, 18830, 24710, 37660, 49420, 94957, 189914, 379828, 474785, 664699, 949570, 1329398, 1899140, 2658796, 3323495, 6646990, 13293980]

約数ペア:

[(1, 13293980), (2, 6646990), (4, 3323495), (5, 2658796), (7, 1899140), (10, 1329398), (14, 949570), (20, 664699), (28, 474785), (35, 379828), (70, 189914), (140, 94957), (269, 49420), (353, 37660), (538, 24710), (706, 18830), (1076, 12355), (1345, 9884), (1412, 9415), (1765, 7532), (1883, 7060), (2471, 5380), (2690, 4942), (3530, 3766)]