213480494980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{344323379}}^1$

素因数の和:344323419

約数の個数: 24

約数和(自身を含む): 462770622720

約数和(自身を除く): 249290127740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 344323379, 688646758, 1377293516, 1721616895, 3443233790, 6886467580, 10674024749, 21348049498, 42696098996, 53370123745, 106740247490, 213480494980]

約数ペア:

[(1, 213480494980), (2, 106740247490), (4, 53370123745), (5, 42696098996), (10, 21348049498), (20, 10674024749), (31, 6886467580), (62, 3443233790), (124, 1721616895), (155, 1377293516), (310, 688646758), (620, 344323379)]