137163980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 296234400

約数和(自身を除く): 159070420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 349, 430, 457, 698, 860, 914, 1396, 1745, 1828, 2285, 3490, 4570, 6980, 9140, 15007, 19651, 30014, 39302, 60028, 75035, 78604, 98255, 150070, 159493, 196510, 300140, 318986, 393020, 637972, 797465, 1594930, 3189860, 6858199, 13716398, 27432796, 34290995, 68581990, 137163980]

約数ペア:

[(1, 137163980), (2, 68581990), (4, 34290995), (5, 27432796), (10, 13716398), (20, 6858199), (43, 3189860), (86, 1594930), (172, 797465), (215, 637972), (349, 393020), (430, 318986), (457, 300140), (698, 196510), (860, 159493), (914, 150070), (1396, 98255), (1745, 78604), (1828, 75035), (2285, 60028), (3490, 39302), (4570, 30014), (6980, 19651), (9140, 15007)]