89980940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{14947}}^1$

素因数の和:15006

約数の個数: 48

約数和(自身を含む): 220991232

約数和(自身を除く): 131010292

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, 14947, 29894, 59788, 74735, 104629, 149470, 209258, 298940, 418516, 523145, 642721, 1046290, 1285442, 2092580, 2570884, 3213605, 4499047, 6427210, 8998094, 12854420, 17996188, 22495235, 44990470, 89980940]

約数ペア:

[(1, 89980940), (2, 44990470), (4, 22495235), (5, 17996188), (7, 12854420), (10, 8998094), (14, 6427210), (20, 4499047), (28, 3213605), (35, 2570884), (43, 2092580), (70, 1285442), (86, 1046290), (140, 642721), (172, 523145), (215, 418516), (301, 298940), (430, 209258), (602, 149470), (860, 104629), (1204, 74735), (1505, 59788), (3010, 29894), (6020, 14947)]