389415040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{86923}}^1$

素因数の和:86949

約数の個数: 64

約数和(自身を含む): 1063949760

約数和(自身を除く): 674534720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 86923, 173846, 347692, 434615, 608461, 695384, 869230, 1216922, 1390768, 1738460, 2433844, 2781536, 3042305, 3476920, 4867688, 5563072, 6084610, 6953840, 9735376, 11126144, 12169220, 13907680, 19470752, 24338440, 27815360, 38941504, 48676880, 55630720, 77883008, 97353760, 194707520, 389415040]

約数ペア:

[(1, 389415040), (2, 194707520), (4, 97353760), (5, 77883008), (7, 55630720), (8, 48676880), (10, 38941504), (14, 27815360), (16, 24338440), (20, 19470752), (28, 13907680), (32, 12169220), (35, 11126144), (40, 9735376), (56, 6953840), (64, 6084610), (70, 5563072), (80, 4867688), (112, 3476920), (128, 3042305), (140, 2781536), (160, 2433844), (224, 1738460), (280, 1390768), (320, 1216922), (448, 869230), (560, 695384), (640, 608461), (896, 434615), (1120, 347692), (2240, 173846), (4480, 86923)]