128604700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4481}}^1$

素因数の和:4543

約数の個数: 72

約数和(自身を含む): 326791584

約数和(自身を除く): 198186884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 820, 1025, 1148, 1435, 2050, 2870, 4100, 4481, 5740, 7175, 8962, 14350, 17924, 22405, 28700, 31367, 44810, 62734, 89620, 112025, 125468, 156835, 183721, 224050, 313670, 367442, 448100, 627340, 734884, 784175, 918605, 1286047, 1568350, 1837210, 2572094, 3136700, 3674420, 4593025, 5144188, 6430235, 9186050, 12860470, 18372100, 25720940, 32151175, 64302350, 128604700]

約数ペア:

[(1, 128604700), (2, 64302350), (4, 32151175), (5, 25720940), (7, 18372100), (10, 12860470), (14, 9186050), (20, 6430235), (25, 5144188), (28, 4593025), (35, 3674420), (41, 3136700), (50, 2572094), (70, 1837210), (82, 1568350), (100, 1286047), (140, 918605), (164, 784175), (175, 734884), (205, 627340), (287, 448100), (350, 367442), (410, 313670), (574, 224050), (700, 183721), (820, 156835), (1025, 125468), (1148, 112025), (1435, 89620), (2050, 62734), (2870, 44810), (4100, 31367), (4481, 28700), (5740, 22405), (7175, 17924), (8962, 14350)]