97777180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 209532960

約数和(自身を除く): 111755780

約数列:

[1, 2, 4, 5, 10, 20, 89, 163, 178, 326, 337, 356, 445, 652, 674, 815, 890, 1348, 1630, 1685, 1780, 3260, 3370, 6740, 14507, 29014, 29993, 54931, 58028, 59986, 72535, 109862, 119972, 145070, 149965, 219724, 274655, 290140, 299930, 549310, 599860, 1098620, 4888859, 9777718, 19555436, 24444295, 48888590, 97777180]

約数ペア:

[(1, 97777180), (2, 48888590), (4, 24444295), (5, 19555436), (10, 9777718), (20, 4888859), (89, 1098620), (163, 599860), (178, 549310), (326, 299930), (337, 290140), (356, 274655), (445, 219724), (652, 149965), (674, 145070), (815, 119972), (890, 109862), (1348, 72535), (1630, 59986), (1685, 58028), (1780, 54931), (3260, 29993), (3370, 29014), (6740, 14507)]