30321140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 66044160

約数和(自身を除く): 35723020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 359, 410, 412, 515, 718, 820, 1030, 1436, 1795, 2060, 3590, 4223, 7180, 8446, 14719, 16892, 21115, 29438, 36977, 42230, 58876, 73595, 73954, 84460, 147190, 147908, 184885, 294380, 369770, 739540, 1516057, 3032114, 6064228, 7580285, 15160570, 30321140]

約数ペア:

[(1, 30321140), (2, 15160570), (4, 7580285), (5, 6064228), (10, 3032114), (20, 1516057), (41, 739540), (82, 369770), (103, 294380), (164, 184885), (205, 147908), (206, 147190), (359, 84460), (410, 73954), (412, 73595), (515, 58876), (718, 42230), (820, 36977), (1030, 29438), (1436, 21115), (1795, 16892), (2060, 14719), (3590, 8446), (4223, 7180)]