228906340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{880409}}^1$

素因数の和:880431

約数の個数: 24

約数和(自身を含む): 517681080

約数和(自身を除く): 288774740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 880409, 1760818, 3521636, 4402045, 8804090, 11445317, 17608180, 22890634, 45781268, 57226585, 114453170, 228906340]

約数ペア:

[(1, 228906340), (2, 114453170), (4, 57226585), (5, 45781268), (10, 22890634), (13, 17608180), (20, 11445317), (26, 8804090), (52, 4402045), (65, 3521636), (130, 1760818), (260, 880409)]