197131480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1809

約数の個数: 128

約数和(自身を含む): 563834880

約数和(自身を除く): 366703400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1747, 1820, 2015, 2170, 2821, 3224, 3494, 3640, 4030, 4340, 5642, 6988, 8060, 8680, 8735, 11284, 12229, 13976, 14105, 16120, 17470, 22568, 22711, 24458, 28210, 34940, 45422, 48916, 54157, 56420, 61145, 69880, 90844, 97832, 108314, 112840, 113555, 122290, 158977, 181688, 216628, 227110, 244580, 270785, 317954, 379099, 433256, 454220, 489160, 541570, 635908, 704041, 758198, 794885, 908440, 1083140, 1271816, 1408082, 1516396, 1589770, 1895495, 2166280, 2816164, 3032792, 3179540, 3520205, 3790990, 4928287, 5632328, 6359080, 7040410, 7581980, 9856574, 14080820, 15163960, 19713148, 24641435, 28161640, 39426296, 49282870, 98565740, 197131480]

約数ペア:

[(1, 197131480), (2, 98565740), (4, 49282870), (5, 39426296), (7, 28161640), (8, 24641435), (10, 19713148), (13, 15163960), (14, 14080820), (20, 9856574), (26, 7581980), (28, 7040410), (31, 6359080), (35, 5632328), (40, 4928287), (52, 3790990), (56, 3520205), (62, 3179540), (65, 3032792), (70, 2816164), (91, 2166280), (104, 1895495), (124, 1589770), (130, 1516396), (140, 1408082), (155, 1271816), (182, 1083140), (217, 908440), (248, 794885), (260, 758198), (280, 704041), (310, 635908), (364, 541570), (403, 489160), (434, 454220), (455, 433256), (520, 379099), (620, 317954), (728, 270785), (806, 244580), (868, 227110), (910, 216628), (1085, 181688), (1240, 158977), (1612, 122290), (1736, 113555), (1747, 112840), (1820, 108314), (2015, 97832), (2170, 90844), (2821, 69880), (3224, 61145), (3494, 56420), (3640, 54157), (4030, 48916), (4340, 45422), (5642, 34940), (6988, 28210), (8060, 24458), (8680, 22711), (8735, 22568), (11284, 17470), (12229, 16120), (13976, 14105)]