17785040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 51949800

約数和(自身を除く): 34164760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 349, 364, 392, 455, 490, 520, 560, 637, 698, 728, 784, 910, 980, 1040, 1274, 1396, 1456, 1745, 1820, 1960, 2443, 2548, 2792, 3185, 3490, 3640, 3920, 4537, 4886, 5096, 5584, 6370, 6980, 7280, 9074, 9772, 10192, 12215, 12740, 13960, 17101, 18148, 19544, 22685, 24430, 25480, 27920, 31759, 34202, 36296, 39088, 45370, 48860, 50960, 63518, 68404, 72592, 85505, 90740, 97720, 127036, 136808, 158795, 171010, 181480, 195440, 222313, 254072, 273616, 317590, 342020, 362960, 444626, 508144, 635180, 684040, 889252, 1111565, 1270360, 1368080, 1778504, 2223130, 2540720, 3557008, 4446260, 8892520, 17785040]

約数ペア:

[(1, 17785040), (2, 8892520), (4, 4446260), (5, 3557008), (7, 2540720), (8, 2223130), (10, 1778504), (13, 1368080), (14, 1270360), (16, 1111565), (20, 889252), (26, 684040), (28, 635180), (35, 508144), (40, 444626), (49, 362960), (52, 342020), (56, 317590), (65, 273616), (70, 254072), (80, 222313), (91, 195440), (98, 181480), (104, 171010), (112, 158795), (130, 136808), (140, 127036), (182, 97720), (196, 90740), (208, 85505), (245, 72592), (260, 68404), (280, 63518), (349, 50960), (364, 48860), (392, 45370), (455, 39088), (490, 36296), (520, 34202), (560, 31759), (637, 27920), (698, 25480), (728, 24430), (784, 22685), (910, 19544), (980, 18148), (1040, 17101), (1274, 13960), (1396, 12740), (1456, 12215), (1745, 10192), (1820, 9772), (1960, 9074), (2443, 7280), (2548, 6980), (2792, 6370), (3185, 5584), (3490, 5096), (3640, 4886), (3920, 4537)]