319700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 729120

約数和(自身を除く): 409420

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 139, 230, 278, 460, 556, 575, 695, 1150, 1390, 2300, 2780, 3197, 3475, 6394, 6950, 12788, 13900, 15985, 31970, 63940, 79925, 159850, 319700]

約数ペア:

[(1, 319700), (2, 159850), (4, 79925), (5, 63940), (10, 31970), (20, 15985), (23, 13900), (25, 12788), (46, 6950), (50, 6394), (92, 3475), (100, 3197), (115, 2780), (139, 2300), (230, 1390), (278, 1150), (460, 695), (556, 575)]