39741940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 98249760

約数和(自身を除く): 58507820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 379, 428, 490, 535, 749, 758, 980, 1070, 1498, 1516, 1895, 2140, 2653, 2996, 3745, 3790, 5243, 5306, 7490, 7580, 10486, 10612, 13265, 14980, 18571, 20972, 26215, 26530, 37142, 40553, 52430, 53060, 74284, 81106, 92855, 104860, 162212, 185710, 202765, 283871, 371420, 405530, 567742, 811060, 1135484, 1419355, 1987097, 2838710, 3974194, 5677420, 7948388, 9935485, 19870970, 39741940]

約数ペア:

[(1, 39741940), (2, 19870970), (4, 9935485), (5, 7948388), (7, 5677420), (10, 3974194), (14, 2838710), (20, 1987097), (28, 1419355), (35, 1135484), (49, 811060), (70, 567742), (98, 405530), (107, 371420), (140, 283871), (196, 202765), (214, 185710), (245, 162212), (379, 104860), (428, 92855), (490, 81106), (535, 74284), (749, 53060), (758, 52430), (980, 40553), (1070, 37142), (1498, 26530), (1516, 26215), (1895, 20972), (2140, 18571), (2653, 14980), (2996, 13265), (3745, 10612), (3790, 10486), (5243, 7580), (5306, 7490)]