202128520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{459383}}^1$

素因数の和:459405

約数の個数: 32

約数和(自身を含む): 496134720

約数和(自身を除く): 294006200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 459383, 918766, 1837532, 2296915, 3675064, 4593830, 5053213, 9187660, 10106426, 18375320, 20212852, 25266065, 40425704, 50532130, 101064260, 202128520]

約数ペア:

[(1, 202128520), (2, 101064260), (4, 50532130), (5, 40425704), (8, 25266065), (10, 20212852), (11, 18375320), (20, 10106426), (22, 9187660), (40, 5053213), (44, 4593830), (55, 3675064), (88, 2296915), (110, 1837532), (220, 918766), (440, 459383)]