12455800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 35622720

約数和(自身を除く): 23166920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 41, 49, 50, 56, 62, 70, 82, 98, 100, 124, 140, 155, 164, 175, 196, 200, 205, 217, 245, 248, 280, 287, 310, 328, 350, 392, 410, 434, 490, 574, 620, 700, 775, 820, 868, 980, 1025, 1085, 1148, 1225, 1240, 1271, 1400, 1435, 1519, 1550, 1640, 1736, 1960, 2009, 2050, 2170, 2296, 2450, 2542, 2870, 3038, 3100, 4018, 4100, 4340, 4900, 5084, 5425, 5740, 6076, 6200, 6355, 7175, 7595, 8036, 8200, 8680, 8897, 9800, 10045, 10168, 10850, 11480, 12152, 12710, 14350, 15190, 16072, 17794, 20090, 21700, 25420, 28700, 30380, 31775, 35588, 37975, 40180, 43400, 44485, 50225, 50840, 57400, 60760, 62279, 63550, 71176, 75950, 80360, 88970, 100450, 124558, 127100, 151900, 177940, 200900, 222425, 249116, 254200, 303800, 311395, 355880, 401800, 444850, 498232, 622790, 889700, 1245580, 1556975, 1779400, 2491160, 3113950, 6227900, 12455800]

約数ペア:

[(1, 12455800), (2, 6227900), (4, 3113950), (5, 2491160), (7, 1779400), (8, 1556975), (10, 1245580), (14, 889700), (20, 622790), (25, 498232), (28, 444850), (31, 401800), (35, 355880), (40, 311395), (41, 303800), (49, 254200), (50, 249116), (56, 222425), (62, 200900), (70, 177940), (82, 151900), (98, 127100), (100, 124558), (124, 100450), (140, 88970), (155, 80360), (164, 75950), (175, 71176), (196, 63550), (200, 62279), (205, 60760), (217, 57400), (245, 50840), (248, 50225), (280, 44485), (287, 43400), (310, 40180), (328, 37975), (350, 35588), (392, 31775), (410, 30380), (434, 28700), (490, 25420), (574, 21700), (620, 20090), (700, 17794), (775, 16072), (820, 15190), (868, 14350), (980, 12710), (1025, 12152), (1085, 11480), (1148, 10850), (1225, 10168), (1240, 10045), (1271, 9800), (1400, 8897), (1435, 8680), (1519, 8200), (1550, 8036), (1640, 7595), (1736, 7175), (1960, 6355), (2009, 6200), (2050, 6076), (2170, 5740), (2296, 5425), (2450, 5084), (2542, 4900), (2870, 4340), (3038, 4100), (3100, 4018)]