81436250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 80

約数和(自身を含む): 179492544

約数和(自身を除く): 98056294

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 125, 175, 205, 227, 250, 287, 350, 410, 454, 574, 625, 875, 1025, 1135, 1250, 1435, 1589, 1750, 2050, 2270, 2870, 3178, 4375, 5125, 5675, 7175, 7945, 8750, 9307, 10250, 11350, 14350, 15890, 18614, 25625, 28375, 35875, 39725, 46535, 51250, 56750, 65149, 71750, 79450, 93070, 130298, 141875, 179375, 198625, 232675, 283750, 325745, 358750, 397250, 465350, 651490, 993125, 1163375, 1628725, 1986250, 2326750, 3257450, 5816875, 8143625, 11633750, 16287250, 40718125, 81436250]

約数ペア:

[(1, 81436250), (2, 40718125), (5, 16287250), (7, 11633750), (10, 8143625), (14, 5816875), (25, 3257450), (35, 2326750), (41, 1986250), (50, 1628725), (70, 1163375), (82, 993125), (125, 651490), (175, 465350), (205, 397250), (227, 358750), (250, 325745), (287, 283750), (350, 232675), (410, 198625), (454, 179375), (574, 141875), (625, 130298), (875, 93070), (1025, 79450), (1135, 71750), (1250, 65149), (1435, 56750), (1589, 51250), (1750, 46535), (2050, 39725), (2270, 35875), (2870, 28375), (3178, 25625), (4375, 18614), (5125, 15890), (5675, 14350), (7175, 11350), (7945, 10250), (8750, 9307)]