5138140

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{107}}^1$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 12705336

約数和(自身を除く): 7567196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 343, 428, 490, 535, 686, 749, 980, 1070, 1372, 1498, 1715, 2140, 2401, 2996, 3430, 3745, 4802, 5243, 6860, 7490, 9604, 10486, 12005, 14980, 20972, 24010, 26215, 36701, 48020, 52430, 73402, 104860, 146804, 183505, 256907, 367010, 513814, 734020, 1027628, 1284535, 2569070, 5138140]

約数ペア:

[(1, 5138140), (2, 2569070), (4, 1284535), (5, 1027628), (7, 734020), (10, 513814), (14, 367010), (20, 256907), (28, 183505), (35, 146804), (49, 104860), (70, 73402), (98, 52430), (107, 48020), (140, 36701), (196, 26215), (214, 24010), (245, 20972), (343, 14980), (428, 12005), (490, 10486), (535, 9604), (686, 7490), (749, 6860), (980, 5243), (1070, 4802), (1372, 3745), (1498, 3430), (1715, 2996), (2140, 2401)]