11251940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 15964060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 449, 716, 895, 898, 1253, 1790, 1796, 2245, 2506, 3143, 3580, 4490, 5012, 6265, 6286, 8980, 12530, 12572, 15715, 25060, 31430, 62860, 80371, 160742, 321484, 401855, 562597, 803710, 1125194, 1607420, 2250388, 2812985, 5625970, 11251940]

約数ペア:

[(1, 11251940), (2, 5625970), (4, 2812985), (5, 2250388), (7, 1607420), (10, 1125194), (14, 803710), (20, 562597), (28, 401855), (35, 321484), (70, 160742), (140, 80371), (179, 62860), (358, 31430), (449, 25060), (716, 15715), (895, 12572), (898, 12530), (1253, 8980), (1790, 6286), (1796, 6265), (2245, 5012), (2506, 4490), (3143, 3580)]