89659780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3929}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 216558720

約数和(自身を除く): 126898940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3929, 4564, 5705, 7858, 11410, 15716, 19645, 22820, 27503, 39290, 55006, 78580, 110012, 137515, 275030, 550060, 640427, 1280854, 2561708, 3202135, 4482989, 6404270, 8965978, 12808540, 17931956, 22414945, 44829890, 89659780]

約数ペア:

[(1, 89659780), (2, 44829890), (4, 22414945), (5, 17931956), (7, 12808540), (10, 8965978), (14, 6404270), (20, 4482989), (28, 3202135), (35, 2561708), (70, 1280854), (140, 640427), (163, 550060), (326, 275030), (652, 137515), (815, 110012), (1141, 78580), (1630, 55006), (2282, 39290), (3260, 27503), (3929, 22820), (4564, 19645), (5705, 15716), (7858, 11410)]