138903680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11423}}^1$

素因数の和:11461

約数の個数: 64

約数和(自身を含む): 349574400

約数和(自身を除く): 210670720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 11423, 12160, 22846, 45692, 57115, 91384, 114230, 182768, 217037, 228460, 365536, 434074, 456920, 731072, 868148, 913840, 1085185, 1462144, 1736296, 1827680, 2170370, 3472592, 3655360, 4340740, 6945184, 7310720, 8681480, 13890368, 17362960, 27780736, 34725920, 69451840, 138903680]

約数ペア:

[(1, 138903680), (2, 69451840), (4, 34725920), (5, 27780736), (8, 17362960), (10, 13890368), (16, 8681480), (19, 7310720), (20, 6945184), (32, 4340740), (38, 3655360), (40, 3472592), (64, 2170370), (76, 1827680), (80, 1736296), (95, 1462144), (128, 1085185), (152, 913840), (160, 868148), (190, 731072), (304, 456920), (320, 434074), (380, 365536), (608, 228460), (640, 217037), (760, 182768), (1216, 114230), (1520, 91384), (2432, 57115), (3040, 45692), (6080, 22846), (11423, 12160)]