2145640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 5644800

約数和(自身を除く): 3499160

約数列:

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

約数ペア:

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