195272420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1399}}^1$

素因数の和:2412

約数の個数: 48

約数和(自身を含む): 469459200

約数和(自身を除く): 274186780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 997, 1399, 1994, 2798, 3988, 4985, 5596, 6979, 6995, 9793, 9970, 13958, 13990, 19586, 19940, 27916, 27980, 34895, 39172, 48965, 69790, 97930, 139580, 195860, 1394803, 2789606, 5579212, 6974015, 9763621, 13948030, 19527242, 27896060, 39054484, 48818105, 97636210, 195272420]

約数ペア:

[(1, 195272420), (2, 97636210), (4, 48818105), (5, 39054484), (7, 27896060), (10, 19527242), (14, 13948030), (20, 9763621), (28, 6974015), (35, 5579212), (70, 2789606), (140, 1394803), (997, 195860), (1399, 139580), (1994, 97930), (2798, 69790), (3988, 48965), (4985, 39172), (5596, 34895), (6979, 27980), (6995, 27916), (9793, 19940), (9970, 19586), (13958, 13990)]