1851880520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{733}}^1\times {\mathrm{1289}}^1$

素因数の和:2047

約数の個数: 96

約数和(自身を含む): 4857391800

約数和(自身を除く): 3005511280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 733, 980, 1289, 1466, 1960, 2578, 2932, 3665, 5131, 5156, 5864, 6445, 7330, 9023, 10262, 10312, 12890, 14660, 18046, 20524, 25655, 25780, 29320, 35917, 36092, 41048, 45115, 51310, 51560, 63161, 71834, 72184, 90230, 102620, 126322, 143668, 179585, 180460, 205240, 252644, 287336, 315805, 359170, 360920, 505288, 631610, 718340, 944837, 1263220, 1436680, 1889674, 2526440, 3779348, 4724185, 6613859, 7558696, 9448370, 13227718, 18896740, 26455436, 33069295, 37793480, 46297013, 52910872, 66138590, 92594026, 132277180, 185188052, 231485065, 264554360, 370376104, 462970130, 925940260, 1851880520]

約数ペア:

[(1, 1851880520), (2, 925940260), (4, 462970130), (5, 370376104), (7, 264554360), (8, 231485065), (10, 185188052), (14, 132277180), (20, 92594026), (28, 66138590), (35, 52910872), (40, 46297013), (49, 37793480), (56, 33069295), (70, 26455436), (98, 18896740), (140, 13227718), (196, 9448370), (245, 7558696), (280, 6613859), (392, 4724185), (490, 3779348), (733, 2526440), (980, 1889674), (1289, 1436680), (1466, 1263220), (1960, 944837), (2578, 718340), (2932, 631610), (3665, 505288), (5131, 360920), (5156, 359170), (5864, 315805), (6445, 287336), (7330, 252644), (9023, 205240), (10262, 180460), (10312, 179585), (12890, 143668), (14660, 126322), (18046, 102620), (20524, 90230), (25655, 72184), (25780, 71834), (29320, 63161), (35917, 51560), (36092, 51310), (41048, 45115)]