279933080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7517}}^1$

素因数の和:7561

約数の個数: 96

約数和(自身を含む): 771346800

約数和(自身を除く): 491413720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2660, 3724, 4655, 5320, 7448, 7517, 9310, 15034, 18620, 30068, 37240, 37585, 52619, 60136, 75170, 105238, 142823, 150340, 210476, 263095, 285646, 300680, 368333, 420952, 526190, 571292, 714115, 736666, 999761, 1052380, 1142584, 1428230, 1473332, 1841665, 1999522, 2104760, 2856460, 2946664, 3683330, 3999044, 4998805, 5712920, 6998327, 7366660, 7998088, 9997610, 13996654, 14733320, 19995220, 27993308, 34991635, 39990440, 55986616, 69983270, 139966540, 279933080]

約数ペア:

[(1, 279933080), (2, 139966540), (4, 69983270), (5, 55986616), (7, 39990440), (8, 34991635), (10, 27993308), (14, 19995220), (19, 14733320), (20, 13996654), (28, 9997610), (35, 7998088), (38, 7366660), (40, 6998327), (49, 5712920), (56, 4998805), (70, 3999044), (76, 3683330), (95, 2946664), (98, 2856460), (133, 2104760), (140, 1999522), (152, 1841665), (190, 1473332), (196, 1428230), (245, 1142584), (266, 1052380), (280, 999761), (380, 736666), (392, 714115), (490, 571292), (532, 526190), (665, 420952), (760, 368333), (931, 300680), (980, 285646), (1064, 263095), (1330, 210476), (1862, 150340), (1960, 142823), (2660, 105238), (3724, 75170), (4655, 60136), (5320, 52619), (7448, 37585), (7517, 37240), (9310, 30068), (15034, 18620)]