155866540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{743}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 347602752

約数和(自身を除く): 191736212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 617, 743, 1234, 1486, 2468, 2972, 3085, 3715, 6170, 7430, 10489, 12340, 12631, 14860, 20978, 25262, 41956, 50524, 52445, 63155, 104890, 126310, 209780, 252620, 458431, 916862, 1833724, 2292155, 4584310, 7793327, 9168620, 15586654, 31173308, 38966635, 77933270, 155866540]

約数ペア:

[(1, 155866540), (2, 77933270), (4, 38966635), (5, 31173308), (10, 15586654), (17, 9168620), (20, 7793327), (34, 4584310), (68, 2292155), (85, 1833724), (170, 916862), (340, 458431), (617, 252620), (743, 209780), (1234, 126310), (1486, 104890), (2468, 63155), (2972, 52445), (3085, 50524), (3715, 41956), (6170, 25262), (7430, 20978), (10489, 14860), (12340, 12631)]