289133880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{344207}}^1$

素因数の和:344228

約数の個数: 64

約数和(自身を含む): 991319040

約数和(自身を除く): 702185160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 344207, 688414, 1032621, 1376828, 1721035, 2065242, 2409449, 2753656, 3442070, 4130484, 4818898, 5163105, 6884140, 7228347, 8260968, 9637796, 10326210, 12047245, 13768280, 14456694, 19275592, 20652420, 24094490, 28913388, 36141735, 41304840, 48188980, 57826776, 72283470, 96377960, 144566940, 289133880]

約数ペア:

[(1, 289133880), (2, 144566940), (3, 96377960), (4, 72283470), (5, 57826776), (6, 48188980), (7, 41304840), (8, 36141735), (10, 28913388), (12, 24094490), (14, 20652420), (15, 19275592), (20, 14456694), (21, 13768280), (24, 12047245), (28, 10326210), (30, 9637796), (35, 8260968), (40, 7228347), (42, 6884140), (56, 5163105), (60, 4818898), (70, 4130484), (84, 3442070), (105, 2753656), (120, 2409449), (140, 2065242), (168, 1721035), (210, 1376828), (280, 1032621), (420, 688414), (840, 344207)]