28454780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 63598080

約数和(自身を除く): 35143300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 727, 1030, 1454, 1957, 2060, 2908, 3635, 3914, 7270, 7828, 9785, 13813, 14540, 19570, 27626, 39140, 55252, 69065, 74881, 138130, 149762, 276260, 299524, 374405, 748810, 1422739, 1497620, 2845478, 5690956, 7113695, 14227390, 28454780]

約数ペア:

[(1, 28454780), (2, 14227390), (4, 7113695), (5, 5690956), (10, 2845478), (19, 1497620), (20, 1422739), (38, 748810), (76, 374405), (95, 299524), (103, 276260), (190, 149762), (206, 138130), (380, 74881), (412, 69065), (515, 55252), (727, 39140), (1030, 27626), (1454, 19570), (1957, 14540), (2060, 13813), (2908, 9785), (3635, 7828), (3914, 7270)]