29207980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 63334656

約数和(自身を除く): 34126676

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 307, 335, 355, 614, 670, 710, 1228, 1340, 1420, 1535, 3070, 4757, 6140, 9514, 19028, 20569, 21797, 23785, 41138, 43594, 47570, 82276, 87188, 95140, 102845, 108985, 205690, 217970, 411380, 435940, 1460399, 2920798, 5841596, 7301995, 14603990, 29207980]

約数ペア:

[(1, 29207980), (2, 14603990), (4, 7301995), (5, 5841596), (10, 2920798), (20, 1460399), (67, 435940), (71, 411380), (134, 217970), (142, 205690), (268, 108985), (284, 102845), (307, 95140), (335, 87188), (355, 82276), (614, 47570), (670, 43594), (710, 41138), (1228, 23785), (1340, 21797), (1420, 20569), (1535, 19028), (3070, 9514), (4757, 6140)]