536475740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1993}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 1157062368

約数和(自身を除く): 620586628

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 313, 430, 626, 860, 1252, 1565, 1993, 3130, 3986, 6260, 7972, 9965, 13459, 19930, 26918, 39860, 53836, 67295, 85699, 134590, 171398, 269180, 342796, 428495, 623809, 856990, 1247618, 1713980, 2495236, 3119045, 6238090, 12476180, 26823787, 53647574, 107295148, 134118935, 268237870, 536475740]

約数ペア:

[(1, 536475740), (2, 268237870), (4, 134118935), (5, 107295148), (10, 53647574), (20, 26823787), (43, 12476180), (86, 6238090), (172, 3119045), (215, 2495236), (313, 1713980), (430, 1247618), (626, 856990), (860, 623809), (1252, 428495), (1565, 342796), (1993, 269180), (3130, 171398), (3986, 134590), (6260, 85699), (7972, 67295), (9965, 53836), (13459, 39860), (19930, 26918)]