121376220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{288991}}^1$

素因数の和:289010

約数の個数: 48

約数和(自身を含む): 388405248

約数和(自身を除く): 267029028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 288991, 577982, 866973, 1155964, 1444955, 1733946, 2022937, 2889910, 3467892, 4045874, 4334865, 5779820, 6068811, 8091748, 8669730, 10114685, 12137622, 17339460, 20229370, 24275244, 30344055, 40458740, 60688110, 121376220]

約数ペア:

[(1, 121376220), (2, 60688110), (3, 40458740), (4, 30344055), (5, 24275244), (6, 20229370), (7, 17339460), (10, 12137622), (12, 10114685), (14, 8669730), (15, 8091748), (20, 6068811), (21, 5779820), (28, 4334865), (30, 4045874), (35, 3467892), (42, 2889910), (60, 2022937), (70, 1733946), (84, 1444955), (105, 1155964), (140, 866973), (210, 577982), (420, 288991)]