2019867220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{7283}}^1$

素因数の和:7589

約数の個数: 72

約数和(自身を含む): 4952362464

約数和(自身を除く): 2932495244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 283, 490, 566, 980, 1132, 1415, 1981, 2830, 3962, 5660, 7283, 7924, 9905, 13867, 14566, 19810, 27734, 29132, 36415, 39620, 50981, 55468, 69335, 72830, 101962, 138670, 145660, 203924, 254905, 277340, 356867, 509810, 713734, 1019620, 1427468, 1784335, 2061089, 3568670, 4122178, 7137340, 8244356, 10305445, 14427623, 20610890, 28855246, 41221780, 57710492, 72138115, 100993361, 144276230, 201986722, 288552460, 403973444, 504966805, 1009933610, 2019867220]

約数ペア:

[(1, 2019867220), (2, 1009933610), (4, 504966805), (5, 403973444), (7, 288552460), (10, 201986722), (14, 144276230), (20, 100993361), (28, 72138115), (35, 57710492), (49, 41221780), (70, 28855246), (98, 20610890), (140, 14427623), (196, 10305445), (245, 8244356), (283, 7137340), (490, 4122178), (566, 3568670), (980, 2061089), (1132, 1784335), (1415, 1427468), (1981, 1019620), (2830, 713734), (3962, 509810), (5660, 356867), (7283, 277340), (7924, 254905), (9905, 203924), (13867, 145660), (14566, 138670), (19810, 101962), (27734, 72830), (29132, 69335), (36415, 55468), (39620, 50981)]