285427880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{375563}}^1$

素因数の和:375593

約数の個数: 32

約数和(自身を含む): 676015200

約数和(自身を除く): 390587320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 375563, 751126, 1502252, 1877815, 3004504, 3755630, 7135697, 7511260, 14271394, 15022520, 28542788, 35678485, 57085576, 71356970, 142713940, 285427880]

約数ペア:

[(1, 285427880), (2, 142713940), (4, 71356970), (5, 57085576), (8, 35678485), (10, 28542788), (19, 15022520), (20, 14271394), (38, 7511260), (40, 7135697), (76, 3755630), (95, 3004504), (152, 1877815), (190, 1502252), (380, 751126), (760, 375563)]