8988980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 25401600

約数和(自身を除く): 16412620

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 449, 455, 572, 715, 770, 898, 910, 1001, 1430, 1540, 1796, 1820, 2002, 2245, 2860, 3143, 4004, 4490, 4939, 5005, 5837, 6286, 8980, 9878, 10010, 11674, 12572, 15715, 19756, 20020, 23348, 24695, 29185, 31430, 34573, 40859, 49390, 58370, 62860, 64207, 69146, 81718, 98780, 116740, 128414, 138292, 163436, 172865, 204295, 256828, 321035, 345730, 408590, 449449, 642070, 691460, 817180, 898898, 1284140, 1797796, 2247245, 4494490, 8988980]

約数ペア:

[(1, 8988980), (2, 4494490), (4, 2247245), (5, 1797796), (7, 1284140), (10, 898898), (11, 817180), (13, 691460), (14, 642070), (20, 449449), (22, 408590), (26, 345730), (28, 321035), (35, 256828), (44, 204295), (52, 172865), (55, 163436), (65, 138292), (70, 128414), (77, 116740), (91, 98780), (110, 81718), (130, 69146), (140, 64207), (143, 62860), (154, 58370), (182, 49390), (220, 40859), (260, 34573), (286, 31430), (308, 29185), (364, 24695), (385, 23348), (449, 20020), (455, 19756), (572, 15715), (715, 12572), (770, 11674), (898, 10010), (910, 9878), (1001, 8980), (1430, 6286), (1540, 5837), (1796, 5005), (1820, 4939), (2002, 4490), (2245, 4004), (2860, 3143)]