380548520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{864883}}^1$

素因数の和:864905

約数の個数: 32

約数和(自身を含む): 934074720

約数和(自身を除く): 553526200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 864883, 1729766, 3459532, 4324415, 6919064, 8648830, 9513713, 17297660, 19027426, 34595320, 38054852, 47568565, 76109704, 95137130, 190274260, 380548520]

約数ペア:

[(1, 380548520), (2, 190274260), (4, 95137130), (5, 76109704), (8, 47568565), (10, 38054852), (11, 34595320), (20, 19027426), (22, 17297660), (40, 9513713), (44, 8648830), (55, 6919064), (88, 4324415), (110, 3459532), (220, 1729766), (440, 864883)]