4892020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 11910528

約数和(自身を除く): 7018508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 421, 581, 830, 842, 1162, 1660, 1684, 2105, 2324, 2905, 2947, 4210, 5810, 5894, 8420, 11620, 11788, 14735, 29470, 34943, 58940, 69886, 139772, 174715, 244601, 349430, 489202, 698860, 978404, 1223005, 2446010, 4892020]

約数ペア:

[(1, 4892020), (2, 2446010), (4, 1223005), (5, 978404), (7, 698860), (10, 489202), (14, 349430), (20, 244601), (28, 174715), (35, 139772), (70, 69886), (83, 58940), (140, 34943), (166, 29470), (332, 14735), (415, 11788), (421, 11620), (581, 8420), (830, 5894), (842, 5810), (1162, 4210), (1660, 2947), (1684, 2905), (2105, 2324)]