31710140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 52961860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 140, 154, 220, 236, 295, 308, 349, 385, 413, 590, 649, 698, 770, 826, 1180, 1298, 1396, 1540, 1652, 1745, 2065, 2443, 2596, 3245, 3490, 3839, 4130, 4543, 4886, 6490, 6980, 7678, 8260, 9086, 9772, 12215, 12980, 15356, 18172, 19195, 20591, 22715, 24430, 26873, 38390, 41182, 45430, 48860, 53746, 76780, 82364, 90860, 102955, 107492, 134365, 144137, 205910, 226501, 268730, 288274, 411820, 453002, 537460, 576548, 720685, 906004, 1132505, 1441370, 1585507, 2265010, 2882740, 3171014, 4530020, 6342028, 7927535, 15855070, 31710140]

約数ペア:

[(1, 31710140), (2, 15855070), (4, 7927535), (5, 6342028), (7, 4530020), (10, 3171014), (11, 2882740), (14, 2265010), (20, 1585507), (22, 1441370), (28, 1132505), (35, 906004), (44, 720685), (55, 576548), (59, 537460), (70, 453002), (77, 411820), (110, 288274), (118, 268730), (140, 226501), (154, 205910), (220, 144137), (236, 134365), (295, 107492), (308, 102955), (349, 90860), (385, 82364), (413, 76780), (590, 53746), (649, 48860), (698, 45430), (770, 41182), (826, 38390), (1180, 26873), (1298, 24430), (1396, 22715), (1540, 20591), (1652, 19195), (1745, 18172), (2065, 15356), (2443, 12980), (2596, 12215), (3245, 9772), (3490, 9086), (3839, 8260), (4130, 7678), (4543, 6980), (4886, 6490)]