28896420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:769

約数の個数: 96

約数和(自身を含む): 93477888

約数和(自身を除く): 64581468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 642, 643, 749, 1070, 1284, 1286, 1498, 1605, 1929, 2140, 2247, 2572, 2996, 3210, 3215, 3745, 3858, 4494, 4501, 6420, 6430, 7490, 7716, 8988, 9002, 9645, 11235, 12860, 13503, 14980, 18004, 19290, 22470, 22505, 27006, 38580, 44940, 45010, 54012, 67515, 68801, 90020, 135030, 137602, 206403, 270060, 275204, 344005, 412806, 481607, 688010, 825612, 963214, 1032015, 1376020, 1444821, 1926428, 2064030, 2408035, 2889642, 4128060, 4816070, 5779284, 7224105, 9632140, 14448210, 28896420]

約数ペア:

[(1, 28896420), (2, 14448210), (3, 9632140), (4, 7224105), (5, 5779284), (6, 4816070), (7, 4128060), (10, 2889642), (12, 2408035), (14, 2064030), (15, 1926428), (20, 1444821), (21, 1376020), (28, 1032015), (30, 963214), (35, 825612), (42, 688010), (60, 481607), (70, 412806), (84, 344005), (105, 275204), (107, 270060), (140, 206403), (210, 137602), (214, 135030), (321, 90020), (420, 68801), (428, 67515), (535, 54012), (642, 45010), (643, 44940), (749, 38580), (1070, 27006), (1284, 22505), (1286, 22470), (1498, 19290), (1605, 18004), (1929, 14980), (2140, 13503), (2247, 12860), (2572, 11235), (2996, 9645), (3210, 9002), (3215, 8988), (3745, 7716), (3858, 7490), (4494, 6430), (4501, 6420)]