251572020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{598981}}^1$

素因数の和:599000

約数の個数: 48

約数和(自身を含む): 805031808

約数和(自身を除く): 553459788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 598981, 1197962, 1796943, 2395924, 2994905, 3593886, 4192867, 5989810, 7187772, 8385734, 8984715, 11979620, 12578601, 16771468, 17969430, 20964335, 25157202, 35938860, 41928670, 50314404, 62893005, 83857340, 125786010, 251572020]

約数ペア:

[(1, 251572020), (2, 125786010), (3, 83857340), (4, 62893005), (5, 50314404), (6, 41928670), (7, 35938860), (10, 25157202), (12, 20964335), (14, 17969430), (15, 16771468), (20, 12578601), (21, 11979620), (28, 8984715), (30, 8385734), (35, 7187772), (42, 5989810), (60, 4192867), (70, 3593886), (84, 2994905), (105, 2395924), (140, 1796943), (210, 1197962), (420, 598981)]