130851980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25261}}^1$

素因数の和:25314

約数の個数: 48

約数和(自身を含む): 322545216

約数和(自身を除く): 191693236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 25261, 50522, 101044, 126305, 176827, 252610, 353654, 505220, 707308, 884135, 934657, 1768270, 1869314, 3536540, 3738628, 4673285, 6542599, 9346570, 13085198, 18693140, 26170396, 32712995, 65425990, 130851980]

約数ペア:

[(1, 130851980), (2, 65425990), (4, 32712995), (5, 26170396), (7, 18693140), (10, 13085198), (14, 9346570), (20, 6542599), (28, 4673285), (35, 3738628), (37, 3536540), (70, 1869314), (74, 1768270), (140, 934657), (148, 884135), (185, 707308), (259, 505220), (370, 353654), (518, 252610), (740, 176827), (1036, 126305), (1295, 101044), (2590, 50522), (5180, 25261)]