550020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 1572480

約数和(自身を除く): 1022460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 103, 178, 206, 267, 309, 356, 412, 445, 515, 534, 618, 890, 1030, 1068, 1236, 1335, 1545, 1780, 2060, 2670, 3090, 5340, 6180, 9167, 18334, 27501, 36668, 45835, 55002, 91670, 110004, 137505, 183340, 275010, 550020]

約数ペア:

[(1, 550020), (2, 275010), (3, 183340), (4, 137505), (5, 110004), (6, 91670), (10, 55002), (12, 45835), (15, 36668), (20, 27501), (30, 18334), (60, 9167), (89, 6180), (103, 5340), (178, 3090), (206, 2670), (267, 2060), (309, 1780), (356, 1545), (412, 1335), (445, 1236), (515, 1068), (534, 1030), (618, 890)]