19791100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{577}}^1$

素因数の和:612

約数の個数: 72

約数和(自身を含む): 50170400

約数和(自身を除く): 30379300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 577, 686, 700, 980, 1154, 1225, 1372, 1715, 2308, 2450, 2885, 3430, 4039, 4900, 5770, 6860, 8078, 8575, 11540, 14425, 16156, 17150, 20195, 28273, 28850, 34300, 40390, 56546, 57700, 80780, 100975, 113092, 141365, 197911, 201950, 282730, 395822, 403900, 565460, 706825, 791644, 989555, 1413650, 1979110, 2827300, 3958220, 4947775, 9895550, 19791100]

約数ペア:

[(1, 19791100), (2, 9895550), (4, 4947775), (5, 3958220), (7, 2827300), (10, 1979110), (14, 1413650), (20, 989555), (25, 791644), (28, 706825), (35, 565460), (49, 403900), (50, 395822), (70, 282730), (98, 201950), (100, 197911), (140, 141365), (175, 113092), (196, 100975), (245, 80780), (343, 57700), (350, 56546), (490, 40390), (577, 34300), (686, 28850), (700, 28273), (980, 20195), (1154, 17150), (1225, 16156), (1372, 14425), (1715, 11540), (2308, 8575), (2450, 8078), (2885, 6860), (3430, 5770), (4039, 4900)]