47042940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{16001}}^1$

素因数の和:16027

約数の個数: 72

約数和(自身を含む): 153235152

約数和(自身を除く): 106192212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 16001, 32002, 48003, 64004, 80005, 96006, 112007, 160010, 192012, 224014, 240015, 320020, 336021, 448028, 480030, 560035, 672042, 784049, 960060, 1120070, 1344084, 1568098, 1680105, 2240140, 2352147, 3136196, 3360210, 3920245, 4704294, 6720420, 7840490, 9408588, 11760735, 15680980, 23521470, 47042940]

約数ペア:

[(1, 47042940), (2, 23521470), (3, 15680980), (4, 11760735), (5, 9408588), (6, 7840490), (7, 6720420), (10, 4704294), (12, 3920245), (14, 3360210), (15, 3136196), (20, 2352147), (21, 2240140), (28, 1680105), (30, 1568098), (35, 1344084), (42, 1120070), (49, 960060), (60, 784049), (70, 672042), (84, 560035), (98, 480030), (105, 448028), (140, 336021), (147, 320020), (196, 240015), (210, 224014), (245, 192012), (294, 160010), (420, 112007), (490, 96006), (588, 80005), (735, 64004), (980, 48003), (1470, 32002), (2940, 16001)]