131592920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{449}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 314928000

約数和(自身を除く): 183335080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 431, 449, 680, 862, 898, 1724, 1796, 2155, 2245, 3448, 3592, 4310, 4490, 7327, 7633, 8620, 8980, 14654, 15266, 17240, 17960, 29308, 30532, 36635, 38165, 58616, 61064, 73270, 76330, 146540, 152660, 193519, 293080, 305320, 387038, 774076, 967595, 1548152, 1935190, 3289823, 3870380, 6579646, 7740760, 13159292, 16449115, 26318584, 32898230, 65796460, 131592920]

約数ペア:

[(1, 131592920), (2, 65796460), (4, 32898230), (5, 26318584), (8, 16449115), (10, 13159292), (17, 7740760), (20, 6579646), (34, 3870380), (40, 3289823), (68, 1935190), (85, 1548152), (136, 967595), (170, 774076), (340, 387038), (431, 305320), (449, 293080), (680, 193519), (862, 152660), (898, 146540), (1724, 76330), (1796, 73270), (2155, 61064), (2245, 58616), (3448, 38165), (3592, 36635), (4310, 30532), (4490, 29308), (7327, 17960), (7633, 17240), (8620, 15266), (8980, 14654)]