442485940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 1074318336

約数和(自身を除く): 631832396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 62, 65, 82, 103, 124, 130, 155, 164, 169, 205, 206, 260, 310, 338, 403, 410, 412, 515, 533, 620, 676, 806, 820, 845, 1030, 1066, 1271, 1339, 1612, 1690, 2015, 2060, 2132, 2542, 2665, 2678, 3193, 3380, 4030, 4223, 5084, 5239, 5330, 5356, 6355, 6386, 6695, 6929, 8060, 8446, 10478, 10660, 12710, 12772, 13390, 13858, 15965, 16523, 16892, 17407, 20956, 21115, 25420, 26195, 26780, 27716, 31930, 33046, 34645, 34814, 41509, 42230, 52390, 54899, 63860, 66092, 69290, 69628, 82615, 83018, 84460, 87035, 104780, 109798, 130913, 138580, 165230, 166036, 174070, 207545, 214799, 219596, 261826, 274495, 330460, 348140, 415090, 429598, 523652, 539617, 548990, 654565, 713687, 830180, 859196, 1073995, 1079234, 1097980, 1309130, 1427374, 1701869, 2147990, 2158468, 2618260, 2698085, 2854748, 3403738, 3568435, 4295980, 5396170, 6807476, 7136870, 8509345, 10792340, 14273740, 17018690, 22124297, 34037380, 44248594, 88497188, 110621485, 221242970, 442485940]

約数ペア:

[(1, 442485940), (2, 221242970), (4, 110621485), (5, 88497188), (10, 44248594), (13, 34037380), (20, 22124297), (26, 17018690), (31, 14273740), (41, 10792340), (52, 8509345), (62, 7136870), (65, 6807476), (82, 5396170), (103, 4295980), (124, 3568435), (130, 3403738), (155, 2854748), (164, 2698085), (169, 2618260), (205, 2158468), (206, 2147990), (260, 1701869), (310, 1427374), (338, 1309130), (403, 1097980), (410, 1079234), (412, 1073995), (515, 859196), (533, 830180), (620, 713687), (676, 654565), (806, 548990), (820, 539617), (845, 523652), (1030, 429598), (1066, 415090), (1271, 348140), (1339, 330460), (1612, 274495), (1690, 261826), (2015, 219596), (2060, 214799), (2132, 207545), (2542, 174070), (2665, 166036), (2678, 165230), (3193, 138580), (3380, 130913), (4030, 109798), (4223, 104780), (5084, 87035), (5239, 84460), (5330, 83018), (5356, 82615), (6355, 69628), (6386, 69290), (6695, 66092), (6929, 63860), (8060, 54899), (8446, 52390), (10478, 42230), (10660, 41509), (12710, 34814), (12772, 34645), (13390, 33046), (13858, 31930), (15965, 27716), (16523, 26780), (16892, 26195), (17407, 25420), (20956, 21115)]