4970140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 12063744

約数和(自身を除く): 7093604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 271, 524, 542, 655, 917, 1084, 1310, 1355, 1834, 1897, 2620, 2710, 3668, 3794, 4585, 5420, 7588, 9170, 9485, 18340, 18970, 35501, 37940, 71002, 142004, 177505, 248507, 355010, 497014, 710020, 994028, 1242535, 2485070, 4970140]

約数ペア:

[(1, 4970140), (2, 2485070), (4, 1242535), (5, 994028), (7, 710020), (10, 497014), (14, 355010), (20, 248507), (28, 177505), (35, 142004), (70, 71002), (131, 37940), (140, 35501), (262, 18970), (271, 18340), (524, 9485), (542, 9170), (655, 7588), (917, 5420), (1084, 4585), (1310, 3794), (1355, 3668), (1834, 2710), (1897, 2620)]