199739680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 558041400

約数和(自身を除く): 358301720

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, 349, 365, 392, 490, 511, 560, 584, 698, 730, 784, 980, 1022, 1120, 1168, 1396, 1460, 1568, 1745, 1960, 2044, 2336, 2443, 2555, 2792, 2920, 3490, 3577, 3920, 4088, 4886, 5110, 5584, 5840, 6980, 7154, 7840, 8176, 9772, 10220, 11168, 11680, 12215, 13960, 14308, 16352, 17101, 17885, 19544, 20440, 24430, 25477, 27920, 28616, 34202, 35770, 39088, 40880, 48860, 50954, 55840, 57232, 68404, 71540, 78176, 81760, 85505, 97720, 101908, 114464, 127385, 136808, 143080, 171010, 178339, 195440, 203816, 254770, 273616, 286160, 342020, 356678, 390880, 407632, 509540, 547232, 572320, 684040, 713356, 815264, 891695, 1019080, 1248373, 1368080, 1426712, 1783390, 2038160, 2496746, 2736160, 2853424, 3566780, 4076320, 4993492, 5706848, 6241865, 7133560, 9986984, 12483730, 14267120, 19973968, 24967460, 28534240, 39947936, 49934920, 99869840, 199739680]

約数ペア:

[(1, 199739680), (2, 99869840), (4, 49934920), (5, 39947936), (7, 28534240), (8, 24967460), (10, 19973968), (14, 14267120), (16, 12483730), (20, 9986984), (28, 7133560), (32, 6241865), (35, 5706848), (40, 4993492), (49, 4076320), (56, 3566780), (70, 2853424), (73, 2736160), (80, 2496746), (98, 2038160), (112, 1783390), (140, 1426712), (146, 1368080), (160, 1248373), (196, 1019080), (224, 891695), (245, 815264), (280, 713356), (292, 684040), (349, 572320), (365, 547232), (392, 509540), (490, 407632), (511, 390880), (560, 356678), (584, 342020), (698, 286160), (730, 273616), (784, 254770), (980, 203816), (1022, 195440), (1120, 178339), (1168, 171010), (1396, 143080), (1460, 136808), (1568, 127385), (1745, 114464), (1960, 101908), (2044, 97720), (2336, 85505), (2443, 81760), (2555, 78176), (2792, 71540), (2920, 68404), (3490, 57232), (3577, 55840), (3920, 50954), (4088, 48860), (4886, 40880), (5110, 39088), (5584, 35770), (5840, 34202), (6980, 28616), (7154, 27920), (7840, 25477), (8176, 24430), (9772, 20440), (10220, 19544), (11168, 17885), (11680, 17101), (12215, 16352), (13960, 14308)]