12992840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{947}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 34128000

約数和(自身を除く): 21135160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 947, 980, 1372, 1715, 1894, 1960, 2744, 3430, 3788, 4735, 6629, 6860, 7576, 9470, 13258, 13720, 18940, 26516, 33145, 37880, 46403, 53032, 66290, 92806, 132580, 185612, 232015, 265160, 324821, 371224, 464030, 649642, 928060, 1299284, 1624105, 1856120, 2598568, 3248210, 6496420, 12992840]

約数ペア:

[(1, 12992840), (2, 6496420), (4, 3248210), (5, 2598568), (7, 1856120), (8, 1624105), (10, 1299284), (14, 928060), (20, 649642), (28, 464030), (35, 371224), (40, 324821), (49, 265160), (56, 232015), (70, 185612), (98, 132580), (140, 92806), (196, 66290), (245, 53032), (280, 46403), (343, 37880), (392, 33145), (490, 26516), (686, 18940), (947, 13720), (980, 13258), (1372, 9470), (1715, 7576), (1894, 6860), (1960, 6629), (2744, 4735), (3430, 3788)]