80369800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 222642000

約数和(自身を除く): 142272200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 59, 70, 98, 100, 118, 139, 140, 175, 196, 200, 236, 245, 278, 280, 295, 350, 392, 413, 472, 490, 556, 590, 695, 700, 826, 973, 980, 1112, 1180, 1225, 1390, 1400, 1475, 1652, 1946, 1960, 2065, 2360, 2450, 2780, 2891, 2950, 3304, 3475, 3892, 4130, 4865, 4900, 5560, 5782, 5900, 6811, 6950, 7784, 8201, 8260, 9730, 9800, 10325, 11564, 11800, 13622, 13900, 14455, 16402, 16520, 19460, 20650, 23128, 24325, 27244, 27800, 28910, 32804, 34055, 38920, 41005, 41300, 48650, 54488, 57407, 57820, 65608, 68110, 72275, 82010, 82600, 97300, 114814, 115640, 136220, 144550, 164020, 170275, 194600, 205025, 229628, 272440, 287035, 289100, 328040, 340550, 401849, 410050, 459256, 574070, 578200, 681100, 803698, 820100, 1148140, 1362200, 1435175, 1607396, 1640200, 2009245, 2296280, 2870350, 3214792, 4018490, 5740700, 8036980, 10046225, 11481400, 16073960, 20092450, 40184900, 80369800]

約数ペア:

[(1, 80369800), (2, 40184900), (4, 20092450), (5, 16073960), (7, 11481400), (8, 10046225), (10, 8036980), (14, 5740700), (20, 4018490), (25, 3214792), (28, 2870350), (35, 2296280), (40, 2009245), (49, 1640200), (50, 1607396), (56, 1435175), (59, 1362200), (70, 1148140), (98, 820100), (100, 803698), (118, 681100), (139, 578200), (140, 574070), (175, 459256), (196, 410050), (200, 401849), (236, 340550), (245, 328040), (278, 289100), (280, 287035), (295, 272440), (350, 229628), (392, 205025), (413, 194600), (472, 170275), (490, 164020), (556, 144550), (590, 136220), (695, 115640), (700, 114814), (826, 97300), (973, 82600), (980, 82010), (1112, 72275), (1180, 68110), (1225, 65608), (1390, 57820), (1400, 57407), (1475, 54488), (1652, 48650), (1946, 41300), (1960, 41005), (2065, 38920), (2360, 34055), (2450, 32804), (2780, 28910), (2891, 27800), (2950, 27244), (3304, 24325), (3475, 23128), (3892, 20650), (4130, 19460), (4865, 16520), (4900, 16402), (5560, 14455), (5782, 13900), (5900, 13622), (6811, 11800), (6950, 11564), (7784, 10325), (8201, 9800), (8260, 9730)]