1993609880

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{217643}}^1$

素因数の和:217883

約数の個数: 32

約数和(自身を含む): 4505230800

約数和(自身を除く): 2511620920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 217643, 435286, 870572, 1088215, 1741144, 2176430, 4352860, 8705720, 49840247, 99680494, 199360988, 249201235, 398721976, 498402470, 996804940, 1993609880]

約数ペア:

[(1, 1993609880), (2, 996804940), (4, 498402470), (5, 398721976), (8, 249201235), (10, 199360988), (20, 99680494), (40, 49840247), (229, 8705720), (458, 4352860), (916, 2176430), (1145, 1741144), (1832, 1088215), (2290, 870572), (4580, 435286), (9160, 217643)]