28218610

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 62496000

約数和(自身を除く): 34277390

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 343, 433, 490, 665, 686, 866, 931, 1330, 1715, 1862, 2165, 3031, 3430, 4330, 4655, 6062, 6517, 8227, 9310, 13034, 15155, 16454, 21217, 30310, 32585, 41135, 42434, 57589, 65170, 82270, 106085, 115178, 148519, 212170, 287945, 297038, 403123, 575890, 742595, 806246, 1485190, 2015615, 2821861, 4031230, 5643722, 14109305, 28218610]

約数ペア:

[(1, 28218610), (2, 14109305), (5, 5643722), (7, 4031230), (10, 2821861), (14, 2015615), (19, 1485190), (35, 806246), (38, 742595), (49, 575890), (70, 403123), (95, 297038), (98, 287945), (133, 212170), (190, 148519), (245, 115178), (266, 106085), (343, 82270), (433, 65170), (490, 57589), (665, 42434), (686, 41135), (866, 32585), (931, 30310), (1330, 21217), (1715, 16454), (1862, 15155), (2165, 13034), (3031, 9310), (3430, 8227), (4330, 6517), (4655, 6062)]