121470020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17707}}^1$

素因数の和:17737

約数の個数: 48

約数和(自身を含む): 297494400

約数和(自身を除く): 176024380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 17707, 35414, 70828, 88535, 123949, 177070, 247898, 354140, 495796, 619745, 867643, 1239490, 1735286, 2478980, 3470572, 4338215, 6073501, 8676430, 12147002, 17352860, 24294004, 30367505, 60735010, 121470020]

約数ペア:

[(1, 121470020), (2, 60735010), (4, 30367505), (5, 24294004), (7, 17352860), (10, 12147002), (14, 8676430), (20, 6073501), (28, 4338215), (35, 3470572), (49, 2478980), (70, 1735286), (98, 1239490), (140, 867643), (196, 619745), (245, 495796), (343, 354140), (490, 247898), (686, 177070), (980, 123949), (1372, 88535), (1715, 70828), (3430, 35414), (6860, 17707)]