31029850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 61603200

約数和(自身を除く): 30573350

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 367, 445, 475, 734, 890, 950, 1691, 1835, 2225, 3382, 3670, 4450, 6973, 8455, 9175, 13946, 16910, 18350, 32663, 34865, 42275, 65326, 69730, 84550, 163315, 174325, 326630, 348650, 620597, 816575, 1241194, 1633150, 3102985, 6205970, 15514925, 31029850]

約数ペア:

[(1, 31029850), (2, 15514925), (5, 6205970), (10, 3102985), (19, 1633150), (25, 1241194), (38, 816575), (50, 620597), (89, 348650), (95, 326630), (178, 174325), (190, 163315), (367, 84550), (445, 69730), (475, 65326), (734, 42275), (890, 34865), (950, 32663), (1691, 18350), (1835, 16910), (2225, 13946), (3382, 9175), (3670, 8455), (4450, 6973)]