89774540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 194557440

約数和(自身を除く): 104782900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 751, 860, 1390, 1502, 2780, 3004, 3755, 5977, 7510, 11954, 15020, 23908, 29885, 32293, 59770, 64586, 104389, 119540, 129172, 161465, 208778, 322930, 417556, 521945, 645860, 1043890, 2087780, 4488727, 8977454, 17954908, 22443635, 44887270, 89774540]

約数ペア:

[(1, 89774540), (2, 44887270), (4, 22443635), (5, 17954908), (10, 8977454), (20, 4488727), (43, 2087780), (86, 1043890), (139, 645860), (172, 521945), (215, 417556), (278, 322930), (430, 208778), (556, 161465), (695, 129172), (751, 119540), (860, 104389), (1390, 64586), (1502, 59770), (2780, 32293), (3004, 29885), (3755, 23908), (5977, 15020), (7510, 11954)]