7890245090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{176951}}^1$

素因数の和:176992

約数の個数: 64

約数和(自身を含む): 17836761600

約数和(自身を除く): 9946516510

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 1274, 1715, 3185, 3430, 4459, 6370, 8918, 22295, 44590, 176951, 353902, 884755, 1238657, 1769510, 2300363, 2477314, 4600726, 6193285, 8670599, 11501815, 12386570, 16102541, 17341198, 23003630, 32205082, 43352995, 60694193, 80512705, 86705990, 112717787, 121388386, 161025410, 225435574, 303470965, 563588935, 606941930, 789024509, 1127177870, 1578049018, 3945122545, 7890245090]

約数ペア:

[(1, 7890245090), (2, 3945122545), (5, 1578049018), (7, 1127177870), (10, 789024509), (13, 606941930), (14, 563588935), (26, 303470965), (35, 225435574), (49, 161025410), (65, 121388386), (70, 112717787), (91, 86705990), (98, 80512705), (130, 60694193), (182, 43352995), (245, 32205082), (343, 23003630), (455, 17341198), (490, 16102541), (637, 12386570), (686, 11501815), (910, 8670599), (1274, 6193285), (1715, 4600726), (3185, 2477314), (3430, 2300363), (4459, 1769510), (6370, 1238657), (8918, 884755), (22295, 353902), (44590, 176951)]