280339984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31799}}^1$

素因数の和:31855

約数の個数: 40

約数和(自身を含む): 591480000

約数和(自身を除く): 311140016

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 4408, 8816, 31799, 63598, 127196, 254392, 508784, 604181, 922171, 1208362, 1844342, 2416724, 3688684, 4833448, 7377368, 9666896, 14754736, 17521249, 35042498, 70084996, 140169992, 280339984]

約数ペア:

[(1, 280339984), (2, 140169992), (4, 70084996), (8, 35042498), (16, 17521249), (19, 14754736), (29, 9666896), (38, 7377368), (58, 4833448), (76, 3688684), (116, 2416724), (152, 1844342), (232, 1208362), (304, 922171), (464, 604181), (551, 508784), (1102, 254392), (2204, 127196), (4408, 63598), (8816, 31799)]