72402400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{1847}}^1$

素因数の和:1881

約数の個数: 108

約数和(自身を含む): 205721208

約数和(自身を除く): 133318808

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, 1847, 1960, 2450, 2800, 3694, 3920, 4900, 5600, 7388, 7840, 9235, 9800, 12929, 14776, 18470, 19600, 25858, 29552, 36940, 39200, 46175, 51716, 59104, 64645, 73880, 90503, 92350, 103432, 129290, 147760, 181006, 184700, 206864, 258580, 295520, 323225, 362012, 369400, 413728, 452515, 517160, 646450, 724024, 738800, 905030, 1034320, 1292900, 1448048, 1477600, 1810060, 2068640, 2262575, 2585800, 2896096, 3620120, 4525150, 5171600, 7240240, 9050300, 10343200, 14480480, 18100600, 36201200, 72402400]

約数ペア:

[(1, 72402400), (2, 36201200), (4, 18100600), (5, 14480480), (7, 10343200), (8, 9050300), (10, 7240240), (14, 5171600), (16, 4525150), (20, 3620120), (25, 2896096), (28, 2585800), (32, 2262575), (35, 2068640), (40, 1810060), (49, 1477600), (50, 1448048), (56, 1292900), (70, 1034320), (80, 905030), (98, 738800), (100, 724024), (112, 646450), (140, 517160), (160, 452515), (175, 413728), (196, 369400), (200, 362012), (224, 323225), (245, 295520), (280, 258580), (350, 206864), (392, 184700), (400, 181006), (490, 147760), (560, 129290), (700, 103432), (784, 92350), (800, 90503), (980, 73880), (1120, 64645), (1225, 59104), (1400, 51716), (1568, 46175), (1847, 39200), (1960, 36940), (2450, 29552), (2800, 25858), (3694, 19600), (3920, 18470), (4900, 14776), (5600, 12929), (7388, 9800), (7840, 9235)]