8819990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 17007840

約数和(自身を除く): 8187850

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 761, 1159, 1522, 2318, 3805, 5795, 7610, 11590, 14459, 28918, 46421, 72295, 92842, 144590, 232105, 464210, 881999, 1763998, 4409995, 8819990]

約数ペア:

[(1, 8819990), (2, 4409995), (5, 1763998), (10, 881999), (19, 464210), (38, 232105), (61, 144590), (95, 92842), (122, 72295), (190, 46421), (305, 28918), (610, 14459), (761, 11590), (1159, 7610), (1522, 5795), (2318, 3805)]