18825800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 54388260

約数和(自身を除く): 35562460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 85, 98, 100, 113, 119, 136, 140, 170, 175, 196, 200, 226, 238, 245, 280, 340, 350, 392, 425, 452, 476, 490, 565, 595, 680, 700, 791, 833, 850, 904, 952, 980, 1130, 1190, 1225, 1400, 1582, 1666, 1700, 1921, 1960, 2260, 2380, 2450, 2825, 2975, 3164, 3332, 3400, 3842, 3955, 4165, 4520, 4760, 4900, 5537, 5650, 5950, 6328, 6664, 7684, 7910, 8330, 9605, 9800, 11074, 11300, 11900, 13447, 15368, 15820, 16660, 19210, 19775, 20825, 22148, 22600, 23800, 26894, 27685, 31640, 33320, 38420, 39550, 41650, 44296, 48025, 53788, 55370, 67235, 76840, 79100, 83300, 94129, 96050, 107576, 110740, 134470, 138425, 158200, 166600, 188258, 192100, 221480, 268940, 276850, 336175, 376516, 384200, 470645, 537880, 553700, 672350, 753032, 941290, 1107400, 1344700, 1882580, 2353225, 2689400, 3765160, 4706450, 9412900, 18825800]

約数ペア:

[(1, 18825800), (2, 9412900), (4, 4706450), (5, 3765160), (7, 2689400), (8, 2353225), (10, 1882580), (14, 1344700), (17, 1107400), (20, 941290), (25, 753032), (28, 672350), (34, 553700), (35, 537880), (40, 470645), (49, 384200), (50, 376516), (56, 336175), (68, 276850), (70, 268940), (85, 221480), (98, 192100), (100, 188258), (113, 166600), (119, 158200), (136, 138425), (140, 134470), (170, 110740), (175, 107576), (196, 96050), (200, 94129), (226, 83300), (238, 79100), (245, 76840), (280, 67235), (340, 55370), (350, 53788), (392, 48025), (425, 44296), (452, 41650), (476, 39550), (490, 38420), (565, 33320), (595, 31640), (680, 27685), (700, 26894), (791, 23800), (833, 22600), (850, 22148), (904, 20825), (952, 19775), (980, 19210), (1130, 16660), (1190, 15820), (1225, 15368), (1400, 13447), (1582, 11900), (1666, 11300), (1700, 11074), (1921, 9800), (1960, 9605), (2260, 8330), (2380, 7910), (2450, 7684), (2825, 6664), (2975, 6328), (3164, 5950), (3332, 5650), (3400, 5537), (3842, 4900), (3955, 4760), (4165, 4520)]