30556400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1559}}^1$

素因数の和:1591

約数の個数: 90

約数和(自身を含む): 85452120

約数和(自身を除く): 54895720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1559, 1960, 2450, 2800, 3118, 3920, 4900, 6236, 7795, 9800, 10913, 12472, 15590, 19600, 21826, 24944, 31180, 38975, 43652, 54565, 62360, 76391, 77950, 87304, 109130, 124720, 152782, 155900, 174608, 218260, 272825, 305564, 311800, 381955, 436520, 545650, 611128, 623600, 763910, 873040, 1091300, 1222256, 1527820, 1909775, 2182600, 3055640, 3819550, 4365200, 6111280, 7639100, 15278200, 30556400]

約数ペア:

[(1, 30556400), (2, 15278200), (4, 7639100), (5, 6111280), (7, 4365200), (8, 3819550), (10, 3055640), (14, 2182600), (16, 1909775), (20, 1527820), (25, 1222256), (28, 1091300), (35, 873040), (40, 763910), (49, 623600), (50, 611128), (56, 545650), (70, 436520), (80, 381955), (98, 311800), (100, 305564), (112, 272825), (140, 218260), (175, 174608), (196, 155900), (200, 152782), (245, 124720), (280, 109130), (350, 87304), (392, 77950), (400, 76391), (490, 62360), (560, 54565), (700, 43652), (784, 38975), (980, 31180), (1225, 24944), (1400, 21826), (1559, 19600), (1960, 15590), (2450, 12472), (2800, 10913), (3118, 9800), (3920, 7795), (4900, 6236)]