267697780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{39023}}^1$

素因数の和:39053

約数の個数: 48

約数和(自身を含む): 655603200

約数和(自身を除く): 387905420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 39023, 78046, 156092, 195115, 273161, 390230, 546322, 780460, 1092644, 1365805, 1912127, 2731610, 3824254, 5463220, 7648508, 9560635, 13384889, 19121270, 26769778, 38242540, 53539556, 66924445, 133848890, 267697780]

約数ペア:

[(1, 267697780), (2, 133848890), (4, 66924445), (5, 53539556), (7, 38242540), (10, 26769778), (14, 19121270), (20, 13384889), (28, 9560635), (35, 7648508), (49, 5463220), (70, 3824254), (98, 2731610), (140, 1912127), (196, 1365805), (245, 1092644), (343, 780460), (490, 546322), (686, 390230), (980, 273161), (1372, 195115), (1715, 156092), (3430, 78046), (6860, 39023)]