1250565260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 3206044800

約数和(自身を除く): 1955479540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 79, 98, 116, 140, 145, 158, 196, 203, 245, 290, 316, 395, 406, 490, 553, 557, 580, 790, 812, 980, 1015, 1106, 1114, 1421, 1580, 2030, 2212, 2228, 2291, 2765, 2785, 2842, 3871, 3899, 4060, 4582, 5530, 5570, 5684, 7105, 7742, 7798, 9164, 11060, 11140, 11455, 14210, 15484, 15596, 16037, 16153, 19355, 19495, 22910, 27293, 28420, 32074, 32306, 38710, 38990, 44003, 45820, 54586, 64148, 64612, 77420, 77980, 80185, 80765, 88006, 109172, 112259, 113071, 136465, 160370, 161530, 176012, 220015, 224518, 226142, 272930, 308021, 320740, 323060, 440030, 449036, 452284, 545860, 561295, 565355, 616042, 791497, 880060, 1122590, 1130710, 1232084, 1276087, 1540105, 1582994, 2156147, 2245180, 2261420, 2552174, 3080210, 3165988, 3957485, 4312294, 5104348, 6160420, 6380435, 7914970, 8624588, 8932609, 10780735, 12760870, 15829940, 17865218, 21561470, 25521740, 35730436, 43122940, 44663045, 62528263, 89326090, 125056526, 178652180, 250113052, 312641315, 625282630, 1250565260]

約数ペア:

[(1, 1250565260), (2, 625282630), (4, 312641315), (5, 250113052), (7, 178652180), (10, 125056526), (14, 89326090), (20, 62528263), (28, 44663045), (29, 43122940), (35, 35730436), (49, 25521740), (58, 21561470), (70, 17865218), (79, 15829940), (98, 12760870), (116, 10780735), (140, 8932609), (145, 8624588), (158, 7914970), (196, 6380435), (203, 6160420), (245, 5104348), (290, 4312294), (316, 3957485), (395, 3165988), (406, 3080210), (490, 2552174), (553, 2261420), (557, 2245180), (580, 2156147), (790, 1582994), (812, 1540105), (980, 1276087), (1015, 1232084), (1106, 1130710), (1114, 1122590), (1421, 880060), (1580, 791497), (2030, 616042), (2212, 565355), (2228, 561295), (2291, 545860), (2765, 452284), (2785, 449036), (2842, 440030), (3871, 323060), (3899, 320740), (4060, 308021), (4582, 272930), (5530, 226142), (5570, 224518), (5684, 220015), (7105, 176012), (7742, 161530), (7798, 160370), (9164, 136465), (11060, 113071), (11140, 112259), (11455, 109172), (14210, 88006), (15484, 80765), (15596, 80185), (16037, 77980), (16153, 77420), (19355, 64612), (19495, 64148), (22910, 54586), (27293, 45820), (28420, 44003), (32074, 38990), (32306, 38710)]