205896320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{45959}}^1$

素因数の和:45985

約数の個数: 64

約数和(自身を含む): 562550400

約数和(自身を除く): 356654080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 45959, 91918, 183836, 229795, 321713, 367672, 459590, 643426, 735344, 919180, 1286852, 1470688, 1608565, 1838360, 2573704, 2941376, 3217130, 3676720, 5147408, 5882752, 6434260, 7353440, 10294816, 12868520, 14706880, 20589632, 25737040, 29413760, 41179264, 51474080, 102948160, 205896320]

約数ペア:

[(1, 205896320), (2, 102948160), (4, 51474080), (5, 41179264), (7, 29413760), (8, 25737040), (10, 20589632), (14, 14706880), (16, 12868520), (20, 10294816), (28, 7353440), (32, 6434260), (35, 5882752), (40, 5147408), (56, 3676720), (64, 3217130), (70, 2941376), (80, 2573704), (112, 1838360), (128, 1608565), (140, 1470688), (160, 1286852), (224, 919180), (280, 735344), (320, 643426), (448, 459590), (560, 367672), (640, 321713), (896, 229795), (1120, 183836), (2240, 91918), (4480, 45959)]