222551480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1777}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 522305280

約数和(自身を除く): 299753800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 620, 808, 1010, 1240, 1777, 2020, 3131, 3554, 4040, 6262, 7108, 8885, 12524, 14216, 15655, 17770, 25048, 31310, 35540, 55087, 62620, 71080, 110174, 125240, 179477, 220348, 275435, 358954, 440696, 550870, 717908, 897385, 1101740, 1435816, 1794770, 2203480, 3589540, 5563787, 7179080, 11127574, 22255148, 27818935, 44510296, 55637870, 111275740, 222551480]

約数ペア:

[(1, 222551480), (2, 111275740), (4, 55637870), (5, 44510296), (8, 27818935), (10, 22255148), (20, 11127574), (31, 7179080), (40, 5563787), (62, 3589540), (101, 2203480), (124, 1794770), (155, 1435816), (202, 1101740), (248, 897385), (310, 717908), (404, 550870), (505, 440696), (620, 358954), (808, 275435), (1010, 220348), (1240, 179477), (1777, 125240), (2020, 110174), (3131, 71080), (3554, 62620), (4040, 55087), (6262, 35540), (7108, 31310), (8885, 25048), (12524, 17770), (14216, 15655)]