168847240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1103}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 393465600

約数和(自身を除く): 224618360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 860, 890, 1103, 1720, 1780, 2206, 3560, 3827, 4412, 5515, 7654, 8824, 11030, 15308, 19135, 22060, 30616, 38270, 44120, 47429, 76540, 94858, 98167, 153080, 189716, 196334, 237145, 379432, 392668, 474290, 490835, 785336, 948580, 981670, 1897160, 1963340, 3926680, 4221181, 8442362, 16884724, 21105905, 33769448, 42211810, 84423620, 168847240]

約数ペア:

[(1, 168847240), (2, 84423620), (4, 42211810), (5, 33769448), (8, 21105905), (10, 16884724), (20, 8442362), (40, 4221181), (43, 3926680), (86, 1963340), (89, 1897160), (172, 981670), (178, 948580), (215, 785336), (344, 490835), (356, 474290), (430, 392668), (445, 379432), (712, 237145), (860, 196334), (890, 189716), (1103, 153080), (1720, 98167), (1780, 94858), (2206, 76540), (3560, 47429), (3827, 44120), (4412, 38270), (5515, 30616), (7654, 22060), (8824, 19135), (11030, 15308)]