1227940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{179}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 3024000

約数和(自身を除く): 1796060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 343, 358, 490, 686, 716, 895, 980, 1253, 1372, 1715, 1790, 2506, 3430, 3580, 5012, 6265, 6860, 8771, 12530, 17542, 25060, 35084, 43855, 61397, 87710, 122794, 175420, 245588, 306985, 613970, 1227940]

約数ペア:

[(1, 1227940), (2, 613970), (4, 306985), (5, 245588), (7, 175420), (10, 122794), (14, 87710), (20, 61397), (28, 43855), (35, 35084), (49, 25060), (70, 17542), (98, 12530), (140, 8771), (179, 6860), (196, 6265), (245, 5012), (343, 3580), (358, 3430), (490, 2506), (686, 1790), (716, 1715), (895, 1372), (980, 1253)]