28788900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13709}}^1$

素因数の和:13733

約数の個数: 72

約数和(自身を含む): 95202240

約数和(自身を除く): 66413340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13709, 27418, 41127, 54836, 68545, 82254, 95963, 137090, 164508, 191926, 205635, 274180, 287889, 342725, 383852, 411270, 479815, 575778, 685450, 822540, 959630, 1028175, 1151556, 1370900, 1439445, 1919260, 2056350, 2399075, 2878890, 4112700, 4798150, 5757780, 7197225, 9596300, 14394450, 28788900]

約数ペア:

[(1, 28788900), (2, 14394450), (3, 9596300), (4, 7197225), (5, 5757780), (6, 4798150), (7, 4112700), (10, 2878890), (12, 2399075), (14, 2056350), (15, 1919260), (20, 1439445), (21, 1370900), (25, 1151556), (28, 1028175), (30, 959630), (35, 822540), (42, 685450), (50, 575778), (60, 479815), (70, 411270), (75, 383852), (84, 342725), (100, 287889), (105, 274180), (140, 205635), (150, 191926), (175, 164508), (210, 137090), (300, 95963), (350, 82254), (420, 68545), (525, 54836), (700, 41127), (1050, 27418), (2100, 13709)]