31177700

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2243}}^1$

素因数の和:2396

約数の個数: 36

約数和(自身を含む): 68172720

約数和(自身を除く): 36995020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2243, 2780, 3475, 4486, 6950, 8972, 11215, 13900, 22430, 44860, 56075, 112150, 224300, 311777, 623554, 1247108, 1558885, 3117770, 6235540, 7794425, 15588850, 31177700]

約数ペア:

[(1, 31177700), (2, 15588850), (4, 7794425), (5, 6235540), (10, 3117770), (20, 1558885), (25, 1247108), (50, 623554), (100, 311777), (139, 224300), (278, 112150), (556, 56075), (695, 44860), (1390, 22430), (2243, 13900), (2780, 11215), (3475, 8972), (4486, 6950)]