208165720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{106207}}^1$

素因数の和:106232

約数の個数: 48

約数和(自身を含む): 544847040

約数和(自身を除く): 336681320

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, 106207, 212414, 424828, 531035, 743449, 849656, 1062070, 1486898, 2124140, 2973796, 3717245, 4248280, 5204143, 5947592, 7434490, 10408286, 14868980, 20816572, 26020715, 29737960, 41633144, 52041430, 104082860, 208165720]

約数ペア:

[(1, 208165720), (2, 104082860), (4, 52041430), (5, 41633144), (7, 29737960), (8, 26020715), (10, 20816572), (14, 14868980), (20, 10408286), (28, 7434490), (35, 5947592), (40, 5204143), (49, 4248280), (56, 3717245), (70, 2973796), (98, 2124140), (140, 1486898), (196, 1062070), (245, 849656), (280, 743449), (392, 531035), (490, 424828), (980, 212414), (1960, 106207)]