2072420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 5056128

約数和(自身を除く): 2983708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 131, 140, 226, 262, 452, 524, 565, 655, 791, 917, 1130, 1310, 1582, 1834, 2260, 2620, 3164, 3668, 3955, 4585, 7910, 9170, 14803, 15820, 18340, 29606, 59212, 74015, 103621, 148030, 207242, 296060, 414484, 518105, 1036210, 2072420]

約数ペア:

[(1, 2072420), (2, 1036210), (4, 518105), (5, 414484), (7, 296060), (10, 207242), (14, 148030), (20, 103621), (28, 74015), (35, 59212), (70, 29606), (113, 18340), (131, 15820), (140, 14803), (226, 9170), (262, 7910), (452, 4585), (524, 3955), (565, 3668), (655, 3164), (791, 2620), (917, 2260), (1130, 1834), (1310, 1582)]