138475120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2311}}^1$

素因数の和:2438

約数の個数: 80

約数和(自身を含む): 371547648

約数和(自身を除く): 233072528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1498, 1712, 2140, 2311, 2996, 3745, 4280, 4622, 5992, 7490, 8560, 9244, 11555, 11984, 14980, 16177, 18488, 23110, 29960, 32354, 36976, 46220, 59920, 64708, 80885, 92440, 129416, 161770, 184880, 247277, 258832, 323540, 494554, 647080, 989108, 1236385, 1294160, 1730939, 1978216, 2472770, 3461878, 3956432, 4945540, 6923756, 8654695, 9891080, 13847512, 17309390, 19782160, 27695024, 34618780, 69237560, 138475120]

約数ペア:

[(1, 138475120), (2, 69237560), (4, 34618780), (5, 27695024), (7, 19782160), (8, 17309390), (10, 13847512), (14, 9891080), (16, 8654695), (20, 6923756), (28, 4945540), (35, 3956432), (40, 3461878), (56, 2472770), (70, 1978216), (80, 1730939), (107, 1294160), (112, 1236385), (140, 989108), (214, 647080), (280, 494554), (428, 323540), (535, 258832), (560, 247277), (749, 184880), (856, 161770), (1070, 129416), (1498, 92440), (1712, 80885), (2140, 64708), (2311, 59920), (2996, 46220), (3745, 36976), (4280, 32354), (4622, 29960), (5992, 23110), (7490, 18488), (8560, 16177), (9244, 14980), (11555, 11984)]