68900880980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{23121101}}^1$

素因数の和:23121259

約数の個数: 24

約数和(自身を含む): 145662942600

約数和(自身を除く): 76762061620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 23121101, 46242202, 92484404, 115605505, 231211010, 462422020, 3445044049, 6890088098, 13780176196, 17225220245, 34450440490, 68900880980]

約数ペア:

[(1, 68900880980), (2, 34450440490), (4, 17225220245), (5, 13780176196), (10, 6890088098), (20, 3445044049), (149, 462422020), (298, 231211010), (596, 115605505), (745, 92484404), (1490, 46242202), (2980, 23121101)]