4291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 11665920

約数和(自身を除く): 7374640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 97, 112, 140, 158, 194, 280, 316, 388, 395, 485, 553, 560, 632, 679, 776, 790, 970, 1106, 1264, 1358, 1552, 1580, 1940, 2212, 2716, 2765, 3160, 3395, 3880, 4424, 5432, 5530, 6320, 6790, 7663, 7760, 8848, 10864, 11060, 13580, 15326, 22120, 27160, 30652, 38315, 44240, 53641, 54320, 61304, 76630, 107282, 122608, 153260, 214564, 268205, 306520, 429128, 536410, 613040, 858256, 1072820, 2145640, 4291280]

約数ペア:

[(1, 4291280), (2, 2145640), (4, 1072820), (5, 858256), (7, 613040), (8, 536410), (10, 429128), (14, 306520), (16, 268205), (20, 214564), (28, 153260), (35, 122608), (40, 107282), (56, 76630), (70, 61304), (79, 54320), (80, 53641), (97, 44240), (112, 38315), (140, 30652), (158, 27160), (194, 22120), (280, 15326), (316, 13580), (388, 11060), (395, 10864), (485, 8848), (553, 7760), (560, 7663), (632, 6790), (679, 6320), (776, 5530), (790, 5432), (970, 4424), (1106, 3880), (1264, 3395), (1358, 3160), (1552, 2765), (1580, 2716), (1940, 2212)]