171878980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{94439}}^1$

素因数の和:94468

約数の個数: 48

約数和(自身を含む): 444245760

約数和(自身を除く): 272366780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 94439, 188878, 377756, 472195, 661073, 944390, 1227707, 1322146, 1888780, 2455414, 2644292, 3305365, 4910828, 6138535, 6610730, 8593949, 12277070, 13221460, 17187898, 24554140, 34375796, 42969745, 85939490, 171878980]

約数ペア:

[(1, 171878980), (2, 85939490), (4, 42969745), (5, 34375796), (7, 24554140), (10, 17187898), (13, 13221460), (14, 12277070), (20, 8593949), (26, 6610730), (28, 6138535), (35, 4910828), (52, 3305365), (65, 2644292), (70, 2455414), (91, 1888780), (130, 1322146), (140, 1227707), (182, 944390), (260, 661073), (364, 472195), (455, 377756), (910, 188878), (1820, 94439)]