258965840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11279}}^1$

素因数の和:11340

約数の個数: 80

約数和(自身を含む): 704954880

約数和(自身を除く): 445989040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11279, 11480, 22558, 22960, 45116, 56395, 78953, 90232, 112790, 157906, 180464, 225580, 315812, 394765, 451160, 462439, 631624, 789530, 902320, 924878, 1263248, 1579060, 1849756, 2312195, 3158120, 3237073, 3699512, 4624390, 6316240, 6474146, 7399024, 9248780, 12948292, 16185365, 18497560, 25896584, 32370730, 36995120, 51793168, 64741460, 129482920, 258965840]

約数ペア:

[(1, 258965840), (2, 129482920), (4, 64741460), (5, 51793168), (7, 36995120), (8, 32370730), (10, 25896584), (14, 18497560), (16, 16185365), (20, 12948292), (28, 9248780), (35, 7399024), (40, 6474146), (41, 6316240), (56, 4624390), (70, 3699512), (80, 3237073), (82, 3158120), (112, 2312195), (140, 1849756), (164, 1579060), (205, 1263248), (280, 924878), (287, 902320), (328, 789530), (410, 631624), (560, 462439), (574, 451160), (656, 394765), (820, 315812), (1148, 225580), (1435, 180464), (1640, 157906), (2296, 112790), (2870, 90232), (3280, 78953), (4592, 56395), (5740, 45116), (11279, 22960), (11480, 22558)]