78787100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{2297}}^1$

素因数の和:2332

約数の個数: 72

約数和(自身を含む): 199466400

約数和(自身を除く): 120679300

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, 686, 700, 980, 1225, 1372, 1715, 2297, 2450, 3430, 4594, 4900, 6860, 8575, 9188, 11485, 16079, 17150, 22970, 32158, 34300, 45940, 57425, 64316, 80395, 112553, 114850, 160790, 225106, 229700, 321580, 401975, 450212, 562765, 787871, 803950, 1125530, 1575742, 1607900, 2251060, 2813825, 3151484, 3939355, 5627650, 7878710, 11255300, 15757420, 19696775, 39393550, 78787100]

約数ペア:

[(1, 78787100), (2, 39393550), (4, 19696775), (5, 15757420), (7, 11255300), (10, 7878710), (14, 5627650), (20, 3939355), (25, 3151484), (28, 2813825), (35, 2251060), (49, 1607900), (50, 1575742), (70, 1125530), (98, 803950), (100, 787871), (140, 562765), (175, 450212), (196, 401975), (245, 321580), (343, 229700), (350, 225106), (490, 160790), (686, 114850), (700, 112553), (980, 80395), (1225, 64316), (1372, 57425), (1715, 45940), (2297, 34300), (2450, 32158), (3430, 22970), (4594, 17150), (4900, 16079), (6860, 11485), (8575, 9188)]