71138540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 180278784

約数和(自身を除く): 109140244

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 170, 187, 220, 230, 253, 340, 374, 391, 460, 506, 748, 782, 827, 935, 1012, 1265, 1564, 1654, 1870, 1955, 2530, 3308, 3740, 3910, 4135, 4301, 5060, 7820, 8270, 8602, 9097, 14059, 16540, 17204, 18194, 19021, 21505, 28118, 36388, 38042, 43010, 45485, 56236, 70295, 76084, 86020, 90970, 95105, 140590, 154649, 181940, 190210, 209231, 281180, 309298, 323357, 380420, 418462, 618596, 646714, 773245, 836924, 1046155, 1293428, 1546490, 1616785, 2092310, 3092980, 3233570, 3556927, 4184620, 6467140, 7113854, 14227708, 17784635, 35569270, 71138540]

約数ペア:

[(1, 71138540), (2, 35569270), (4, 17784635), (5, 14227708), (10, 7113854), (11, 6467140), (17, 4184620), (20, 3556927), (22, 3233570), (23, 3092980), (34, 2092310), (44, 1616785), (46, 1546490), (55, 1293428), (68, 1046155), (85, 836924), (92, 773245), (110, 646714), (115, 618596), (170, 418462), (187, 380420), (220, 323357), (230, 309298), (253, 281180), (340, 209231), (374, 190210), (391, 181940), (460, 154649), (506, 140590), (748, 95105), (782, 90970), (827, 86020), (935, 76084), (1012, 70295), (1265, 56236), (1564, 45485), (1654, 43010), (1870, 38042), (1955, 36388), (2530, 28118), (3308, 21505), (3740, 19021), (3910, 18194), (4135, 17204), (4301, 16540), (5060, 14059), (7820, 9097), (8270, 8602)]