28033390

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 36248210

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 343, 385, 490, 539, 686, 743, 770, 1078, 1486, 1715, 2695, 3430, 3715, 3773, 5201, 5390, 7430, 7546, 8173, 10402, 16346, 18865, 26005, 36407, 37730, 40865, 52010, 57211, 72814, 81730, 114422, 182035, 254849, 286055, 364070, 400477, 509698, 572110, 800954, 1274245, 2002385, 2548490, 2803339, 4004770, 5606678, 14016695, 28033390]

約数ペア:

[(1, 28033390), (2, 14016695), (5, 5606678), (7, 4004770), (10, 2803339), (11, 2548490), (14, 2002385), (22, 1274245), (35, 800954), (49, 572110), (55, 509698), (70, 400477), (77, 364070), (98, 286055), (110, 254849), (154, 182035), (245, 114422), (343, 81730), (385, 72814), (490, 57211), (539, 52010), (686, 40865), (743, 37730), (770, 36407), (1078, 26005), (1486, 18865), (1715, 16346), (2695, 10402), (3430, 8173), (3715, 7546), (3773, 7430), (5201, 5390)]