277236440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1237}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 673868160

約数和(自身を除く): 396631720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 431, 520, 862, 1237, 1724, 2155, 2474, 3448, 4310, 4948, 5603, 6185, 8620, 9896, 11206, 12370, 16081, 17240, 22412, 24740, 28015, 32162, 44824, 49480, 56030, 64324, 80405, 112060, 128648, 160810, 224120, 321620, 533147, 643240, 1066294, 2132588, 2665735, 4265176, 5331470, 6930911, 10662940, 13861822, 21325880, 27723644, 34654555, 55447288, 69309110, 138618220, 277236440]

約数ペア:

[(1, 277236440), (2, 138618220), (4, 69309110), (5, 55447288), (8, 34654555), (10, 27723644), (13, 21325880), (20, 13861822), (26, 10662940), (40, 6930911), (52, 5331470), (65, 4265176), (104, 2665735), (130, 2132588), (260, 1066294), (431, 643240), (520, 533147), (862, 321620), (1237, 224120), (1724, 160810), (2155, 128648), (2474, 112060), (3448, 80405), (4310, 64324), (4948, 56030), (5603, 49480), (6185, 44824), (8620, 32162), (9896, 28015), (11206, 24740), (12370, 22412), (16081, 17240)]