340242550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 645360480

約数和(自身を除く): 305117930

約数列:

[1, 2, 5, 10, 25, 50, 89, 157, 178, 314, 445, 487, 785, 890, 974, 1570, 2225, 2435, 3925, 4450, 4870, 7850, 12175, 13973, 24350, 27946, 43343, 69865, 76459, 86686, 139730, 152918, 216715, 349325, 382295, 433430, 698650, 764590, 1083575, 1911475, 2167150, 3822950, 6804851, 13609702, 34024255, 68048510, 170121275, 340242550]

約数ペア:

[(1, 340242550), (2, 170121275), (5, 68048510), (10, 34024255), (25, 13609702), (50, 6804851), (89, 3822950), (157, 2167150), (178, 1911475), (314, 1083575), (445, 764590), (487, 698650), (785, 433430), (890, 382295), (974, 349325), (1570, 216715), (2225, 152918), (2435, 139730), (3925, 86686), (4450, 76459), (4870, 69865), (7850, 43343), (12175, 27946), (13973, 24350)]