220754800

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 120

約数和(自身を含む): 618884000

約数和(自身を除く): 398129200

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, 343, 350, 392, 400, 490, 560, 686, 700, 784, 980, 1225, 1372, 1400, 1609, 1715, 1960, 2450, 2744, 2800, 3218, 3430, 3920, 4900, 5488, 6436, 6860, 8045, 8575, 9800, 11263, 12872, 13720, 16090, 17150, 19600, 22526, 25744, 27440, 32180, 34300, 40225, 45052, 56315, 64360, 68600, 78841, 80450, 90104, 112630, 128720, 137200, 157682, 160900, 180208, 225260, 281575, 315364, 321800, 394205, 450520, 551887, 563150, 630728, 643600, 788410, 901040, 1103774, 1126300, 1261456, 1576820, 1971025, 2207548, 2252600, 2759435, 3153640, 3942050, 4415096, 4505200, 5518870, 6307280, 7884100, 8830192, 11037740, 13797175, 15768200, 22075480, 27594350, 31536400, 44150960, 55188700, 110377400, 220754800]

約数ペア:

[(1, 220754800), (2, 110377400), (4, 55188700), (5, 44150960), (7, 31536400), (8, 27594350), (10, 22075480), (14, 15768200), (16, 13797175), (20, 11037740), (25, 8830192), (28, 7884100), (35, 6307280), (40, 5518870), (49, 4505200), (50, 4415096), (56, 3942050), (70, 3153640), (80, 2759435), (98, 2252600), (100, 2207548), (112, 1971025), (140, 1576820), (175, 1261456), (196, 1126300), (200, 1103774), (245, 901040), (280, 788410), (343, 643600), (350, 630728), (392, 563150), (400, 551887), (490, 450520), (560, 394205), (686, 321800), (700, 315364), (784, 281575), (980, 225260), (1225, 180208), (1372, 160900), (1400, 157682), (1609, 137200), (1715, 128720), (1960, 112630), (2450, 90104), (2744, 80450), (2800, 78841), (3218, 68600), (3430, 64360), (3920, 56315), (4900, 45052), (5488, 40225), (6436, 34300), (6860, 32180), (8045, 27440), (8575, 25744), (9800, 22526), (11263, 19600), (12872, 17150), (13720, 16090)]