251400030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2927}}^1$

素因数の和:3353

約数の個数: 64

約数和(自身を含む): 691476480

約数和(自身を除く): 440076450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 409, 818, 1227, 2045, 2454, 2863, 2927, 4090, 5726, 5854, 6135, 8589, 8781, 12270, 14315, 14635, 17178, 17562, 20489, 28630, 29270, 40978, 42945, 43905, 61467, 85890, 87810, 102445, 122934, 204890, 307335, 614670, 1197143, 2394286, 3591429, 5985715, 7182858, 8380001, 11971430, 16760002, 17957145, 25140003, 35914290, 41900005, 50280006, 83800010, 125700015, 251400030]

約数ペア:

[(1, 251400030), (2, 125700015), (3, 83800010), (5, 50280006), (6, 41900005), (7, 35914290), (10, 25140003), (14, 17957145), (15, 16760002), (21, 11971430), (30, 8380001), (35, 7182858), (42, 5985715), (70, 3591429), (105, 2394286), (210, 1197143), (409, 614670), (818, 307335), (1227, 204890), (2045, 122934), (2454, 102445), (2863, 87810), (2927, 85890), (4090, 61467), (5726, 43905), (5854, 42945), (6135, 40978), (8589, 29270), (8781, 28630), (12270, 20489), (14315, 17562), (14635, 17178)]