115487290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 223803000

約数和(自身を除く): 108315710

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 289, 445, 449, 578, 890, 898, 1445, 1513, 2245, 2890, 3026, 4490, 7565, 7633, 15130, 15266, 25721, 38165, 39961, 51442, 76330, 79922, 128605, 129761, 199805, 257210, 259522, 399610, 648805, 679337, 1297610, 1358674, 3396685, 6793370, 11548729, 23097458, 57743645, 115487290]

約数ペア:

[(1, 115487290), (2, 57743645), (5, 23097458), (10, 11548729), (17, 6793370), (34, 3396685), (85, 1358674), (89, 1297610), (170, 679337), (178, 648805), (289, 399610), (445, 259522), (449, 257210), (578, 199805), (890, 129761), (898, 128605), (1445, 79922), (1513, 76330), (2245, 51442), (2890, 39961), (3026, 38165), (4490, 25721), (7565, 15266), (7633, 15130)]