76400800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1983

約数の個数: 108

約数和(自身を含む): 217075950

約数和(自身を除く): 140675150

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1949, 1960, 2450, 2800, 3898, 3920, 4900, 5600, 7796, 7840, 9745, 9800, 13643, 15592, 19490, 19600, 27286, 31184, 38980, 39200, 48725, 54572, 62368, 68215, 77960, 95501, 97450, 109144, 136430, 155920, 191002, 194900, 218288, 272860, 311840, 341075, 382004, 389800, 436576, 477505, 545720, 682150, 764008, 779600, 955010, 1091440, 1364300, 1528016, 1559200, 1910020, 2182880, 2387525, 2728600, 3056032, 3820040, 4775050, 5457200, 7640080, 9550100, 10914400, 15280160, 19100200, 38200400, 76400800]

約数ペア:

[(1, 76400800), (2, 38200400), (4, 19100200), (5, 15280160), (7, 10914400), (8, 9550100), (10, 7640080), (14, 5457200), (16, 4775050), (20, 3820040), (25, 3056032), (28, 2728600), (32, 2387525), (35, 2182880), (40, 1910020), (49, 1559200), (50, 1528016), (56, 1364300), (70, 1091440), (80, 955010), (98, 779600), (100, 764008), (112, 682150), (140, 545720), (160, 477505), (175, 436576), (196, 389800), (200, 382004), (224, 341075), (245, 311840), (280, 272860), (350, 218288), (392, 194900), (400, 191002), (490, 155920), (560, 136430), (700, 109144), (784, 97450), (800, 95501), (980, 77960), (1120, 68215), (1225, 62368), (1400, 54572), (1568, 48725), (1949, 39200), (1960, 38980), (2450, 31184), (2800, 27286), (3898, 19600), (3920, 19490), (4900, 15592), (5600, 13643), (7796, 9800), (7840, 9745)]