20257222300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{463}}^1\times {\mathrm{8929}}^1$

素因数の和:9420

約数の個数: 108

約数和(自身を含む): 51251198880

約数和(自身を除く): 30993976580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 463, 490, 700, 926, 980, 1225, 1852, 2315, 2450, 3241, 4630, 4900, 6482, 8929, 9260, 11575, 12964, 16205, 17858, 22687, 23150, 32410, 35716, 44645, 45374, 46300, 62503, 64820, 81025, 89290, 90748, 113435, 125006, 162050, 178580, 223225, 226870, 250012, 312515, 324100, 437521, 446450, 453740, 567175, 625030, 875042, 892900, 1134350, 1250060, 1562575, 1750084, 2187605, 2268700, 3125150, 4134127, 4375210, 6250300, 8268254, 8750420, 10938025, 16536508, 20670635, 21876050, 28938889, 41341270, 43752100, 57877778, 82682540, 103353175, 115755556, 144694445, 202572223, 206706350, 289388890, 405144446, 413412700, 578777780, 723472225, 810288892, 1012861115, 1446944450, 2025722230, 2893888900, 4051444460, 5064305575, 10128611150, 20257222300]

約数ペア:

[(1, 20257222300), (2, 10128611150), (4, 5064305575), (5, 4051444460), (7, 2893888900), (10, 2025722230), (14, 1446944450), (20, 1012861115), (25, 810288892), (28, 723472225), (35, 578777780), (49, 413412700), (50, 405144446), (70, 289388890), (98, 206706350), (100, 202572223), (140, 144694445), (175, 115755556), (196, 103353175), (245, 82682540), (350, 57877778), (463, 43752100), (490, 41341270), (700, 28938889), (926, 21876050), (980, 20670635), (1225, 16536508), (1852, 10938025), (2315, 8750420), (2450, 8268254), (3241, 6250300), (4630, 4375210), (4900, 4134127), (6482, 3125150), (8929, 2268700), (9260, 2187605), (11575, 1750084), (12964, 1562575), (16205, 1250060), (17858, 1134350), (22687, 892900), (23150, 875042), (32410, 625030), (35716, 567175), (44645, 453740), (45374, 446450), (46300, 437521), (62503, 324100), (64820, 312515), (81025, 250012), (89290, 226870), (90748, 223225), (113435, 178580), (125006, 162050)]