43398420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55639}}^1$

素因数の和:55664

約数の個数: 48

約数和(自身を含む): 130865280

約数和(自身を除く): 87466860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 55639, 111278, 166917, 222556, 278195, 333834, 556390, 667668, 723307, 834585, 1112780, 1446614, 1669170, 2169921, 2893228, 3338340, 3616535, 4339842, 7233070, 8679684, 10849605, 14466140, 21699210, 43398420]

約数ペア:

[(1, 43398420), (2, 21699210), (3, 14466140), (4, 10849605), (5, 8679684), (6, 7233070), (10, 4339842), (12, 3616535), (13, 3338340), (15, 2893228), (20, 2169921), (26, 1669170), (30, 1446614), (39, 1112780), (52, 834585), (60, 723307), (65, 667668), (78, 556390), (130, 333834), (156, 278195), (195, 222556), (260, 166917), (390, 111278), (780, 55639)]