219140740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 585591552

約数和(自身を除く): 366450812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 103, 130, 140, 167, 182, 196, 206, 245, 260, 334, 364, 412, 455, 490, 515, 637, 668, 721, 835, 910, 980, 1030, 1169, 1274, 1339, 1442, 1670, 1820, 2060, 2171, 2338, 2548, 2678, 2884, 3185, 3340, 3605, 4342, 4676, 5047, 5356, 5845, 6370, 6695, 7210, 8183, 8684, 9373, 10094, 10855, 11690, 12740, 13390, 14420, 15197, 16366, 17201, 18746, 20188, 21710, 23380, 25235, 26780, 30394, 32732, 34402, 37492, 40915, 43420, 46865, 50470, 60788, 65611, 68804, 75985, 81830, 86005, 93730, 100940, 106379, 120407, 131222, 151970, 163660, 172010, 187460, 212758, 223613, 240814, 262444, 303940, 328055, 344020, 425516, 447226, 481628, 531895, 602035, 656110, 842849, 894452, 1063790, 1118065, 1204070, 1312220, 1565291, 1685698, 2127580, 2236130, 2408140, 3130582, 3371396, 4214245, 4472260, 6261164, 7826455, 8428490, 10957037, 15652910, 16856980, 21914074, 31305820, 43828148, 54785185, 109570370, 219140740]

約数ペア:

[(1, 219140740), (2, 109570370), (4, 54785185), (5, 43828148), (7, 31305820), (10, 21914074), (13, 16856980), (14, 15652910), (20, 10957037), (26, 8428490), (28, 7826455), (35, 6261164), (49, 4472260), (52, 4214245), (65, 3371396), (70, 3130582), (91, 2408140), (98, 2236130), (103, 2127580), (130, 1685698), (140, 1565291), (167, 1312220), (182, 1204070), (196, 1118065), (206, 1063790), (245, 894452), (260, 842849), (334, 656110), (364, 602035), (412, 531895), (455, 481628), (490, 447226), (515, 425516), (637, 344020), (668, 328055), (721, 303940), (835, 262444), (910, 240814), (980, 223613), (1030, 212758), (1169, 187460), (1274, 172010), (1339, 163660), (1442, 151970), (1670, 131222), (1820, 120407), (2060, 106379), (2171, 100940), (2338, 93730), (2548, 86005), (2678, 81830), (2884, 75985), (3185, 68804), (3340, 65611), (3605, 60788), (4342, 50470), (4676, 46865), (5047, 43420), (5356, 40915), (5845, 37492), (6370, 34402), (6695, 32732), (7210, 30394), (8183, 26780), (8684, 25235), (9373, 23380), (10094, 21710), (10855, 20188), (11690, 18746), (12740, 17201), (13390, 16366), (14420, 15197)]