420154420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:942

約数の個数: 96

約数和(自身を含む): 1044288000

約数和(自身を除く): 624133580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 343, 365, 490, 511, 686, 730, 839, 980, 1022, 1372, 1460, 1678, 1715, 2044, 2555, 3356, 3430, 3577, 4195, 5110, 5873, 6860, 7154, 8390, 10220, 11746, 14308, 16780, 17885, 23492, 25039, 29365, 35770, 41111, 50078, 58730, 61247, 71540, 82222, 100156, 117460, 122494, 125195, 164444, 205555, 244988, 250390, 287777, 306235, 411110, 428729, 500780, 575554, 612470, 822220, 857458, 1151108, 1224940, 1438885, 1714916, 2143645, 2877770, 3001103, 4287290, 5755540, 6002206, 8574580, 12004412, 15005515, 21007721, 30011030, 42015442, 60022060, 84030884, 105038605, 210077210, 420154420]

約数ペア:

[(1, 420154420), (2, 210077210), (4, 105038605), (5, 84030884), (7, 60022060), (10, 42015442), (14, 30011030), (20, 21007721), (28, 15005515), (35, 12004412), (49, 8574580), (70, 6002206), (73, 5755540), (98, 4287290), (140, 3001103), (146, 2877770), (196, 2143645), (245, 1714916), (292, 1438885), (343, 1224940), (365, 1151108), (490, 857458), (511, 822220), (686, 612470), (730, 575554), (839, 500780), (980, 428729), (1022, 411110), (1372, 306235), (1460, 287777), (1678, 250390), (1715, 244988), (2044, 205555), (2555, 164444), (3356, 125195), (3430, 122494), (3577, 117460), (4195, 100156), (5110, 82222), (5873, 71540), (6860, 61247), (7154, 58730), (8390, 50078), (10220, 41111), (11746, 35770), (14308, 29365), (16780, 25039), (17885, 23492)]