29861890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 55085184

約数和(自身を除く): 25223294

約数列:

[1, 2, 5, 10, 71, 137, 142, 274, 307, 355, 614, 685, 710, 1370, 1535, 3070, 9727, 19454, 21797, 42059, 43594, 48635, 84118, 97270, 108985, 210295, 217970, 420590, 2986189, 5972378, 14930945, 29861890]

約数ペア:

[(1, 29861890), (2, 14930945), (5, 5972378), (10, 2986189), (71, 420590), (137, 217970), (142, 210295), (274, 108985), (307, 97270), (355, 84118), (614, 48635), (685, 43594), (710, 42059), (1370, 21797), (1535, 19454), (3070, 9727)]