123373180

素因数分解:

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

素因数の和:216

約数の個数: 108

約数和(自身を含む): 313795944

約数和(自身を除く): 190422764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 131, 140, 155, 196, 217, 245, 262, 310, 434, 490, 524, 620, 655, 868, 917, 961, 980, 1085, 1310, 1519, 1834, 1922, 2170, 2620, 3038, 3668, 3844, 4061, 4340, 4585, 4805, 6076, 6419, 6727, 7595, 8122, 9170, 9610, 12838, 13454, 15190, 16244, 18340, 19220, 20305, 25676, 26908, 28427, 30380, 32095, 33635, 40610, 47089, 56854, 64190, 67270, 81220, 94178, 113708, 125891, 128380, 134540, 142135, 188356, 198989, 235445, 251782, 284270, 397978, 470890, 503564, 568540, 629455, 795956, 881237, 941780, 994945, 1258910, 1762474, 1989890, 2517820, 3524948, 3979780, 4406185, 6168659, 8812370, 12337318, 17624740, 24674636, 30843295, 61686590, 123373180]

約数ペア:

[(1, 123373180), (2, 61686590), (4, 30843295), (5, 24674636), (7, 17624740), (10, 12337318), (14, 8812370), (20, 6168659), (28, 4406185), (31, 3979780), (35, 3524948), (49, 2517820), (62, 1989890), (70, 1762474), (98, 1258910), (124, 994945), (131, 941780), (140, 881237), (155, 795956), (196, 629455), (217, 568540), (245, 503564), (262, 470890), (310, 397978), (434, 284270), (490, 251782), (524, 235445), (620, 198989), (655, 188356), (868, 142135), (917, 134540), (961, 128380), (980, 125891), (1085, 113708), (1310, 94178), (1519, 81220), (1834, 67270), (1922, 64190), (2170, 56854), (2620, 47089), (3038, 40610), (3668, 33635), (3844, 32095), (4061, 30380), (4340, 28427), (4585, 26908), (4805, 25676), (6076, 20305), (6419, 19220), (6727, 18340), (7595, 16244), (8122, 15190), (9170, 13454), (9610, 12838)]