138589660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1283}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 318390912

約数和(自身を除く): 179801252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 491, 982, 1283, 1964, 2455, 2566, 4910, 5132, 5401, 6415, 9820, 10802, 12830, 14113, 21604, 25660, 27005, 28226, 54010, 56452, 70565, 108020, 141130, 282260, 629953, 1259906, 2519812, 3149765, 6299530, 6929483, 12599060, 13858966, 27717932, 34647415, 69294830, 138589660]

約数ペア:

[(1, 138589660), (2, 69294830), (4, 34647415), (5, 27717932), (10, 13858966), (11, 12599060), (20, 6929483), (22, 6299530), (44, 3149765), (55, 2519812), (110, 1259906), (220, 629953), (491, 282260), (982, 141130), (1283, 108020), (1964, 70565), (2455, 56452), (2566, 54010), (4910, 28226), (5132, 27005), (5401, 25660), (6415, 21604), (9820, 14113), (10802, 12830)]