126378980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69439}}^1$

素因数の和:69468

約数の個数: 48

約数和(自身を含む): 326645760

約数和(自身を除く): 200266780

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, 69439, 138878, 277756, 347195, 486073, 694390, 902707, 972146, 1388780, 1805414, 1944292, 2430365, 3610828, 4513535, 4860730, 6318949, 9027070, 9721460, 12637898, 18054140, 25275796, 31594745, 63189490, 126378980]

約数ペア:

[(1, 126378980), (2, 63189490), (4, 31594745), (5, 25275796), (7, 18054140), (10, 12637898), (13, 9721460), (14, 9027070), (20, 6318949), (26, 4860730), (28, 4513535), (35, 3610828), (52, 2430365), (65, 1944292), (70, 1805414), (91, 1388780), (130, 972146), (140, 902707), (182, 694390), (260, 486073), (364, 347195), (455, 277756), (910, 138878), (1820, 69439)]