121212280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61843}}^1$

素因数の和:61868

約数の個数: 48

約数和(自身を含む): 317259720

約数和(自身を除く): 196047440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 61843, 123686, 247372, 309215, 432901, 494744, 618430, 865802, 1236860, 1731604, 2164505, 2473720, 3030307, 3463208, 4329010, 6060614, 8658020, 12121228, 15151535, 17316040, 24242456, 30303070, 60606140, 121212280]

約数ペア:

[(1, 121212280), (2, 60606140), (4, 30303070), (5, 24242456), (7, 17316040), (8, 15151535), (10, 12121228), (14, 8658020), (20, 6060614), (28, 4329010), (35, 3463208), (40, 3030307), (49, 2473720), (56, 2164505), (70, 1731604), (98, 1236860), (140, 865802), (196, 618430), (245, 494744), (280, 432901), (392, 309215), (490, 247372), (980, 123686), (1960, 61843)]