9397220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 23595264

約数和(自身を除く): 14198044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 223, 245, 301, 430, 446, 490, 602, 860, 892, 980, 1115, 1204, 1505, 1561, 2107, 2230, 3010, 3122, 4214, 4460, 6020, 6244, 7805, 8428, 9589, 10535, 10927, 15610, 19178, 21070, 21854, 31220, 38356, 42140, 43708, 47945, 54635, 67123, 95890, 109270, 134246, 191780, 218540, 268492, 335615, 469861, 671230, 939722, 1342460, 1879444, 2349305, 4698610, 9397220]

約数ペア:

[(1, 9397220), (2, 4698610), (4, 2349305), (5, 1879444), (7, 1342460), (10, 939722), (14, 671230), (20, 469861), (28, 335615), (35, 268492), (43, 218540), (49, 191780), (70, 134246), (86, 109270), (98, 95890), (140, 67123), (172, 54635), (196, 47945), (215, 43708), (223, 42140), (245, 38356), (301, 31220), (430, 21854), (446, 21070), (490, 19178), (602, 15610), (860, 10927), (892, 10535), (980, 9589), (1115, 8428), (1204, 7805), (1505, 6244), (1561, 6020), (2107, 4460), (2230, 4214), (3010, 3122)]