30412540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 67777920

約数和(自身を除く): 37365380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 491, 652, 815, 982, 1630, 1964, 2455, 3097, 3260, 4910, 6194, 9329, 9820, 12388, 15485, 18658, 30970, 37316, 46645, 61940, 80033, 93290, 160066, 186580, 320132, 400165, 800330, 1520627, 1600660, 3041254, 6082508, 7603135, 15206270, 30412540]

約数ペア:

[(1, 30412540), (2, 15206270), (4, 7603135), (5, 6082508), (10, 3041254), (19, 1600660), (20, 1520627), (38, 800330), (76, 400165), (95, 320132), (163, 186580), (190, 160066), (326, 93290), (380, 80033), (491, 61940), (652, 46645), (815, 37316), (982, 30970), (1630, 18658), (1964, 15485), (2455, 12388), (3097, 9820), (3260, 9329), (4910, 6194)]