1688892940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{280547}}^1$

素因数の和:280606

約数の個数: 48

約数和(自身を含む): 4147621632

約数和(自身を除く): 2458728692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 280547, 561094, 1122188, 1402735, 1963829, 2805470, 3927658, 5610940, 7855316, 9819145, 12063521, 19638290, 24127042, 39276580, 48254084, 60317605, 84444647, 120635210, 168889294, 241270420, 337778588, 422223235, 844446470, 1688892940]

約数ペア:

[(1, 1688892940), (2, 844446470), (4, 422223235), (5, 337778588), (7, 241270420), (10, 168889294), (14, 120635210), (20, 84444647), (28, 60317605), (35, 48254084), (43, 39276580), (70, 24127042), (86, 19638290), (140, 12063521), (172, 9819145), (215, 7855316), (301, 5610940), (430, 3927658), (602, 2805470), (860, 1963829), (1204, 1402735), (1505, 1122188), (3010, 561094), (6020, 280547)]