51548980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2287}}^1$

素因数の和:2333

約数の個数: 72

約数和(自身を含む): 131459328

約数和(自身を除く): 79910348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 2287, 3220, 4508, 4574, 5635, 9148, 11270, 11435, 16009, 22540, 22870, 32018, 45740, 52601, 64036, 80045, 105202, 112063, 160090, 210404, 224126, 263005, 320180, 368207, 448252, 526010, 560315, 736414, 1052020, 1120630, 1472828, 1841035, 2241260, 2577449, 3682070, 5154898, 7364140, 10309796, 12887245, 25774490, 51548980]

約数ペア:

[(1, 51548980), (2, 25774490), (4, 12887245), (5, 10309796), (7, 7364140), (10, 5154898), (14, 3682070), (20, 2577449), (23, 2241260), (28, 1841035), (35, 1472828), (46, 1120630), (49, 1052020), (70, 736414), (92, 560315), (98, 526010), (115, 448252), (140, 368207), (161, 320180), (196, 263005), (230, 224126), (245, 210404), (322, 160090), (460, 112063), (490, 105202), (644, 80045), (805, 64036), (980, 52601), (1127, 45740), (1610, 32018), (2254, 22870), (2287, 22540), (3220, 16009), (4508, 11435), (4574, 11270), (5635, 9148)]