28845570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2059

約数の個数: 64

約数和(自身を含む): 76608000

約数和(自身を除く): 47762430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1443, 1999, 2405, 2886, 3998, 4810, 5997, 7215, 9995, 11994, 14430, 19990, 25987, 29985, 51974, 59970, 73963, 77961, 129935, 147926, 155922, 221889, 259870, 369815, 389805, 443778, 739630, 779610, 961519, 1109445, 1923038, 2218890, 2884557, 4807595, 5769114, 9615190, 14422785, 28845570]

約数ペア:

[(1, 28845570), (2, 14422785), (3, 9615190), (5, 5769114), (6, 4807595), (10, 2884557), (13, 2218890), (15, 1923038), (26, 1109445), (30, 961519), (37, 779610), (39, 739630), (65, 443778), (74, 389805), (78, 369815), (111, 259870), (130, 221889), (185, 155922), (195, 147926), (222, 129935), (370, 77961), (390, 73963), (481, 59970), (555, 51974), (962, 29985), (1110, 25987), (1443, 19990), (1999, 14430), (2405, 11994), (2886, 9995), (3998, 7215), (4810, 5997)]