849739960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{238691}}^1$

素因数の和:238791

約数の個数: 32

約数和(自身を含む): 1933405200

約数和(自身を除く): 1083665240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 238691, 477382, 954764, 1193455, 1909528, 2386910, 4773820, 9547640, 21243499, 42486998, 84973996, 106217495, 169947992, 212434990, 424869980, 849739960]

約数ペア:

[(1, 849739960), (2, 424869980), (4, 212434990), (5, 169947992), (8, 106217495), (10, 84973996), (20, 42486998), (40, 21243499), (89, 9547640), (178, 4773820), (356, 2386910), (445, 1909528), (712, 1193455), (890, 954764), (1780, 477382), (3560, 238691)]