493492720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 180

約数和(自身を含む): 1389667752

約数和(自身を除く): 896175032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 131, 140, 155, 196, 217, 245, 248, 262, 280, 310, 392, 434, 490, 496, 524, 560, 620, 655, 784, 868, 917, 961, 980, 1048, 1085, 1240, 1310, 1519, 1736, 1834, 1922, 1960, 2096, 2170, 2480, 2620, 3038, 3472, 3668, 3844, 3920, 4061, 4340, 4585, 4805, 5240, 6076, 6419, 6727, 7336, 7595, 7688, 8122, 8680, 9170, 9610, 10480, 12152, 12838, 13454, 14672, 15190, 15376, 16244, 17360, 18340, 19220, 20305, 24304, 25676, 26908, 28427, 30380, 32095, 32488, 33635, 36680, 38440, 40610, 47089, 51352, 53816, 56854, 60760, 64190, 64976, 67270, 73360, 76880, 81220, 94178, 102704, 107632, 113708, 121520, 125891, 128380, 134540, 142135, 162440, 188356, 198989, 227416, 235445, 251782, 256760, 269080, 284270, 324880, 376712, 397978, 454832, 470890, 503564, 513520, 538160, 568540, 629455, 753424, 795956, 881237, 941780, 994945, 1007128, 1137080, 1258910, 1591912, 1762474, 1883560, 1989890, 2014256, 2274160, 2517820, 3183824, 3524948, 3767120, 3979780, 4406185, 5035640, 6168659, 7049896, 7959560, 8812370, 10071280, 12337318, 14099792, 15919120, 17624740, 24674636, 30843295, 35249480, 49349272, 61686590, 70498960, 98698544, 123373180, 246746360, 493492720]

約数ペア:

[(1, 493492720), (2, 246746360), (4, 123373180), (5, 98698544), (7, 70498960), (8, 61686590), (10, 49349272), (14, 35249480), (16, 30843295), (20, 24674636), (28, 17624740), (31, 15919120), (35, 14099792), (40, 12337318), (49, 10071280), (56, 8812370), (62, 7959560), (70, 7049896), (80, 6168659), (98, 5035640), (112, 4406185), (124, 3979780), (131, 3767120), (140, 3524948), (155, 3183824), (196, 2517820), (217, 2274160), (245, 2014256), (248, 1989890), (262, 1883560), (280, 1762474), (310, 1591912), (392, 1258910), (434, 1137080), (490, 1007128), (496, 994945), (524, 941780), (560, 881237), (620, 795956), (655, 753424), (784, 629455), (868, 568540), (917, 538160), (961, 513520), (980, 503564), (1048, 470890), (1085, 454832), (1240, 397978), (1310, 376712), (1519, 324880), (1736, 284270), (1834, 269080), (1922, 256760), (1960, 251782), (2096, 235445), (2170, 227416), (2480, 198989), (2620, 188356), (3038, 162440), (3472, 142135), (3668, 134540), (3844, 128380), (3920, 125891), (4061, 121520), (4340, 113708), (4585, 107632), (4805, 102704), (5240, 94178), (6076, 81220), (6419, 76880), (6727, 73360), (7336, 67270), (7595, 64976), (7688, 64190), (8122, 60760), (8680, 56854), (9170, 53816), (9610, 51352), (10480, 47089), (12152, 40610), (12838, 38440), (13454, 36680), (14672, 33635), (15190, 32488), (15376, 32095), (16244, 30380), (17360, 28427), (18340, 26908), (19220, 25676), (20305, 24304)]