2017159240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{6779}}^1$

素因数の和:7006

約数の個数: 64

約数和(自身を含む): 4671691200

約数和(自身を除く): 2654531960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 215, 344, 346, 430, 692, 860, 865, 1384, 1720, 1730, 3460, 6779, 6920, 7439, 13558, 14878, 27116, 29756, 33895, 37195, 54232, 59512, 67790, 74390, 135580, 148780, 271160, 291497, 297560, 582994, 1165988, 1172767, 1457485, 2331976, 2345534, 2914970, 4691068, 5829940, 5863835, 9382136, 11659880, 11727670, 23455340, 46910680, 50428981, 100857962, 201715924, 252144905, 403431848, 504289810, 1008579620, 2017159240]

約数ペア:

[(1, 2017159240), (2, 1008579620), (4, 504289810), (5, 403431848), (8, 252144905), (10, 201715924), (20, 100857962), (40, 50428981), (43, 46910680), (86, 23455340), (172, 11727670), (173, 11659880), (215, 9382136), (344, 5863835), (346, 5829940), (430, 4691068), (692, 2914970), (860, 2345534), (865, 2331976), (1384, 1457485), (1720, 1172767), (1730, 1165988), (3460, 582994), (6779, 297560), (6920, 291497), (7439, 271160), (13558, 148780), (14878, 135580), (27116, 74390), (29756, 67790), (33895, 59512), (37195, 54232)]