201997320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{240473}}^1$

素因数の和:240494

約数の個数: 64

約数和(自身を含む): 692565120

約数和(自身を除く): 490567800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 240473, 480946, 721419, 961892, 1202365, 1442838, 1683311, 1923784, 2404730, 2885676, 3366622, 3607095, 4809460, 5049933, 5771352, 6733244, 7214190, 8416555, 9618920, 10099866, 13466488, 14428380, 16833110, 20199732, 25249665, 28856760, 33666220, 40399464, 50499330, 67332440, 100998660, 201997320]

約数ペア:

[(1, 201997320), (2, 100998660), (3, 67332440), (4, 50499330), (5, 40399464), (6, 33666220), (7, 28856760), (8, 25249665), (10, 20199732), (12, 16833110), (14, 14428380), (15, 13466488), (20, 10099866), (21, 9618920), (24, 8416555), (28, 7214190), (30, 6733244), (35, 5771352), (40, 5049933), (42, 4809460), (56, 3607095), (60, 3366622), (70, 2885676), (84, 2404730), (105, 1923784), (120, 1683311), (140, 1442838), (168, 1202365), (210, 961892), (280, 721419), (420, 480946), (840, 240473)]