2079798980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{26017}}^1$

素因数の和:26604

約数の個数: 48

約数和(自身を含む): 5000451456

約数和(自身を除く): 2920652476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3997, 5710, 7994, 11420, 15988, 19985, 26017, 39970, 52034, 79940, 104068, 130085, 182119, 260170, 364238, 520340, 728476, 910595, 1821190, 3642380, 14855707, 29711414, 59422828, 74278535, 103989949, 148557070, 207979898, 297114140, 415959796, 519949745, 1039899490, 2079798980]

約数ペア:

[(1, 2079798980), (2, 1039899490), (4, 519949745), (5, 415959796), (7, 297114140), (10, 207979898), (14, 148557070), (20, 103989949), (28, 74278535), (35, 59422828), (70, 29711414), (140, 14855707), (571, 3642380), (1142, 1821190), (2284, 910595), (2855, 728476), (3997, 520340), (5710, 364238), (7994, 260170), (11420, 182119), (15988, 130085), (19985, 104068), (26017, 79940), (39970, 52034)]