2380490120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{668677}}^1$

素因数の和:668777

約数の個数: 32

約数和(自身を含む): 5416291800

約数和(自身を除く): 3035801680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 668677, 1337354, 2674708, 3343385, 5349416, 6686770, 13373540, 26747080, 59512253, 119024506, 238049012, 297561265, 476098024, 595122530, 1190245060, 2380490120]

約数ペア:

[(1, 2380490120), (2, 1190245060), (4, 595122530), (5, 476098024), (8, 297561265), (10, 238049012), (20, 119024506), (40, 59512253), (89, 26747080), (178, 13373540), (356, 6686770), (445, 5349416), (712, 3343385), (890, 2674708), (1780, 1337354), (3560, 668677)]