308432950

素因数分解:

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

素因数の和:219

約数の個数: 108

約数和(自身を含む): 694833876

約数和(自身を除く): 386400926

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 131, 155, 175, 217, 245, 262, 310, 350, 434, 490, 655, 775, 917, 961, 1085, 1225, 1310, 1519, 1550, 1834, 1922, 2170, 2450, 3038, 3275, 4061, 4585, 4805, 5425, 6419, 6550, 6727, 7595, 8122, 9170, 9610, 10850, 12838, 13454, 15190, 20305, 22925, 24025, 28427, 32095, 33635, 37975, 40610, 45850, 47089, 48050, 56854, 64190, 67270, 75950, 94178, 101525, 125891, 142135, 160475, 168175, 198989, 203050, 235445, 251782, 284270, 320950, 336350, 397978, 470890, 629455, 710675, 881237, 994945, 1177225, 1258910, 1421350, 1762474, 1989890, 2354450, 3147275, 4406185, 4974725, 6168659, 6294550, 8812370, 9949450, 12337318, 22030925, 30843295, 44061850, 61686590, 154216475, 308432950]

約数ペア:

[(1, 308432950), (2, 154216475), (5, 61686590), (7, 44061850), (10, 30843295), (14, 22030925), (25, 12337318), (31, 9949450), (35, 8812370), (49, 6294550), (50, 6168659), (62, 4974725), (70, 4406185), (98, 3147275), (131, 2354450), (155, 1989890), (175, 1762474), (217, 1421350), (245, 1258910), (262, 1177225), (310, 994945), (350, 881237), (434, 710675), (490, 629455), (655, 470890), (775, 397978), (917, 336350), (961, 320950), (1085, 284270), (1225, 251782), (1310, 235445), (1519, 203050), (1550, 198989), (1834, 168175), (1922, 160475), (2170, 142135), (2450, 125891), (3038, 101525), (3275, 94178), (4061, 75950), (4585, 67270), (4805, 64190), (5425, 56854), (6419, 48050), (6550, 47089), (6727, 45850), (7595, 40610), (8122, 37975), (9170, 33635), (9610, 32095), (10850, 28427), (12838, 24025), (13454, 22925), (15190, 20305)]