221569402340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{179749}}^1$

素因数の和:180213

約数の個数: 96

約数和(自身を含む): 547912512000

約数和(自身を除く): 326343109660

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 431, 572, 715, 862, 1430, 1724, 2155, 2860, 4310, 4741, 5603, 8620, 9482, 11206, 18964, 22412, 23705, 28015, 47410, 56030, 61633, 94820, 112060, 123266, 179749, 246532, 308165, 359498, 616330, 718996, 898745, 1232660, 1797490, 1977239, 2336737, 3594980, 3954478, 4673474, 7908956, 9346948, 9886195, 11683685, 19772390, 23367370, 25704107, 39544780, 46734740, 51408214, 77471819, 102816428, 128520535, 154943638, 257041070, 309887276, 387359095, 514082140, 774718190, 852190009, 1007133647, 1549436380, 1704380018, 2014267294, 3408760036, 4028534588, 4260950045, 5035668235, 8521900090, 10071336470, 11078470117, 17043800180, 20142672940, 22156940234, 44313880468, 55392350585, 110784701170, 221569402340]

約数ペア:

[(1, 221569402340), (2, 110784701170), (4, 55392350585), (5, 44313880468), (10, 22156940234), (11, 20142672940), (13, 17043800180), (20, 11078470117), (22, 10071336470), (26, 8521900090), (44, 5035668235), (52, 4260950045), (55, 4028534588), (65, 3408760036), (110, 2014267294), (130, 1704380018), (143, 1549436380), (220, 1007133647), (260, 852190009), (286, 774718190), (431, 514082140), (572, 387359095), (715, 309887276), (862, 257041070), (1430, 154943638), (1724, 128520535), (2155, 102816428), (2860, 77471819), (4310, 51408214), (4741, 46734740), (5603, 39544780), (8620, 25704107), (9482, 23367370), (11206, 19772390), (18964, 11683685), (22412, 9886195), (23705, 9346948), (28015, 7908956), (47410, 4673474), (56030, 3954478), (61633, 3594980), (94820, 2336737), (112060, 1977239), (123266, 1797490), (179749, 1232660), (246532, 898745), (308165, 718996), (359498, 616330)]