550108240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1607}}^1$

素因数の和:2020

約数の個数: 80

約数和(自身を含む): 1399731840

約数和(自身を除く): 849623600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 389, 440, 778, 880, 1556, 1607, 1945, 3112, 3214, 3890, 4279, 6224, 6428, 7780, 8035, 8558, 12856, 15560, 16070, 17116, 17677, 21395, 25712, 31120, 32140, 34232, 35354, 42790, 64280, 68464, 70708, 85580, 88385, 128560, 141416, 171160, 176770, 282832, 342320, 353540, 625123, 707080, 1250246, 1414160, 2500492, 3125615, 5000984, 6251230, 6876353, 10001968, 12502460, 13752706, 25004920, 27505412, 34381765, 50009840, 55010824, 68763530, 110021648, 137527060, 275054120, 550108240]

約数ペア:

[(1, 550108240), (2, 275054120), (4, 137527060), (5, 110021648), (8, 68763530), (10, 55010824), (11, 50009840), (16, 34381765), (20, 27505412), (22, 25004920), (40, 13752706), (44, 12502460), (55, 10001968), (80, 6876353), (88, 6251230), (110, 5000984), (176, 3125615), (220, 2500492), (389, 1414160), (440, 1250246), (778, 707080), (880, 625123), (1556, 353540), (1607, 342320), (1945, 282832), (3112, 176770), (3214, 171160), (3890, 141416), (4279, 128560), (6224, 88385), (6428, 85580), (7780, 70708), (8035, 68464), (8558, 64280), (12856, 42790), (15560, 35354), (16070, 34232), (17116, 32140), (17677, 31120), (21395, 25712)]