239802080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 144

約数和(自身を含む): 669649680

約数和(自身を除く): 429847600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 365, 392, 419, 490, 511, 560, 584, 730, 784, 838, 980, 1022, 1120, 1168, 1460, 1568, 1676, 1960, 2044, 2095, 2336, 2555, 2920, 2933, 3352, 3577, 3920, 4088, 4190, 5110, 5840, 5866, 6704, 7154, 7840, 8176, 8380, 10220, 11680, 11732, 13408, 14308, 14665, 16352, 16760, 17885, 20440, 20531, 23464, 28616, 29330, 30587, 33520, 35770, 40880, 41062, 46928, 57232, 58660, 61174, 67040, 71540, 81760, 82124, 93856, 102655, 114464, 117320, 122348, 143080, 152935, 164248, 205310, 214109, 234640, 244696, 286160, 305870, 328496, 410620, 428218, 469280, 489392, 572320, 611740, 656992, 821240, 856436, 978784, 1070545, 1223480, 1498763, 1642480, 1712872, 2141090, 2446960, 2997526, 3284960, 3425744, 4282180, 4893920, 5995052, 6851488, 7493815, 8564360, 11990104, 14987630, 17128720, 23980208, 29975260, 34257440, 47960416, 59950520, 119901040, 239802080]

約数ペア:

[(1, 239802080), (2, 119901040), (4, 59950520), (5, 47960416), (7, 34257440), (8, 29975260), (10, 23980208), (14, 17128720), (16, 14987630), (20, 11990104), (28, 8564360), (32, 7493815), (35, 6851488), (40, 5995052), (49, 4893920), (56, 4282180), (70, 3425744), (73, 3284960), (80, 2997526), (98, 2446960), (112, 2141090), (140, 1712872), (146, 1642480), (160, 1498763), (196, 1223480), (224, 1070545), (245, 978784), (280, 856436), (292, 821240), (365, 656992), (392, 611740), (419, 572320), (490, 489392), (511, 469280), (560, 428218), (584, 410620), (730, 328496), (784, 305870), (838, 286160), (980, 244696), (1022, 234640), (1120, 214109), (1168, 205310), (1460, 164248), (1568, 152935), (1676, 143080), (1960, 122348), (2044, 117320), (2095, 114464), (2336, 102655), (2555, 93856), (2920, 82124), (2933, 81760), (3352, 71540), (3577, 67040), (3920, 61174), (4088, 58660), (4190, 57232), (5110, 46928), (5840, 41062), (5866, 40880), (6704, 35770), (7154, 33520), (7840, 30587), (8176, 29330), (8380, 28616), (10220, 23464), (11680, 20531), (11732, 20440), (13408, 17885), (14308, 16760), (14665, 16352)]