1990269810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{13171}}^1$

素因数の和:13280

約数の個数: 96

約数和(自身を含む): 5474072448

約数和(自身を除く): 3483802638

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 73, 90, 115, 138, 146, 207, 219, 230, 345, 365, 414, 438, 657, 690, 730, 1035, 1095, 1314, 1679, 2070, 2190, 3285, 3358, 5037, 6570, 8395, 10074, 13171, 15111, 16790, 25185, 26342, 30222, 39513, 50370, 65855, 75555, 79026, 118539, 131710, 151110, 197565, 237078, 302933, 395130, 592695, 605866, 908799, 961483, 1185390, 1514665, 1817598, 1922966, 2726397, 2884449, 3029330, 4543995, 4807415, 5452794, 5768898, 8653347, 9087990, 9614830, 13631985, 14422245, 17306694, 22114109, 27263970, 28844490, 43266735, 44228218, 66342327, 86533470, 110570545, 132684654, 199026981, 221141090, 331711635, 398053962, 663423270, 995134905, 1990269810]

約数ペア:

[(1, 1990269810), (2, 995134905), (3, 663423270), (5, 398053962), (6, 331711635), (9, 221141090), (10, 199026981), (15, 132684654), (18, 110570545), (23, 86533470), (30, 66342327), (45, 44228218), (46, 43266735), (69, 28844490), (73, 27263970), (90, 22114109), (115, 17306694), (138, 14422245), (146, 13631985), (207, 9614830), (219, 9087990), (230, 8653347), (345, 5768898), (365, 5452794), (414, 4807415), (438, 4543995), (657, 3029330), (690, 2884449), (730, 2726397), (1035, 1922966), (1095, 1817598), (1314, 1514665), (1679, 1185390), (2070, 961483), (2190, 908799), (3285, 605866), (3358, 592695), (5037, 395130), (6570, 302933), (8395, 237078), (10074, 197565), (13171, 151110), (15111, 131710), (16790, 118539), (25185, 79026), (26342, 75555), (30222, 65855), (39513, 50370)]