393251460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{739}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 1289695680

約数和(自身を除く): 896444220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 181, 196, 210, 245, 294, 362, 420, 490, 543, 588, 724, 735, 739, 905, 980, 1086, 1267, 1470, 1478, 1810, 2172, 2217, 2534, 2715, 2940, 2956, 3620, 3695, 3801, 4434, 5068, 5173, 5430, 6335, 7390, 7602, 8868, 8869, 10346, 10860, 11085, 12670, 14780, 15204, 15519, 17738, 19005, 20692, 22170, 25340, 25865, 26607, 31038, 35476, 36211, 38010, 44340, 44345, 51730, 53214, 62076, 72422, 76020, 77595, 88690, 103460, 106428, 108633, 133035, 133759, 144844, 155190, 177380, 181055, 217266, 266070, 267518, 310380, 362110, 401277, 434532, 532140, 535036, 543165, 668795, 724220, 802554, 936313, 1086330, 1337590, 1605108, 1872626, 2006385, 2172660, 2675180, 2808939, 3745252, 4012770, 4681565, 5617878, 6554191, 8025540, 9363130, 11235756, 13108382, 14044695, 18726260, 19662573, 26216764, 28089390, 32770955, 39325146, 56178780, 65541910, 78650292, 98312865, 131083820, 196625730, 393251460]

約数ペア:

[(1, 393251460), (2, 196625730), (3, 131083820), (4, 98312865), (5, 78650292), (6, 65541910), (7, 56178780), (10, 39325146), (12, 32770955), (14, 28089390), (15, 26216764), (20, 19662573), (21, 18726260), (28, 14044695), (30, 13108382), (35, 11235756), (42, 9363130), (49, 8025540), (60, 6554191), (70, 5617878), (84, 4681565), (98, 4012770), (105, 3745252), (140, 2808939), (147, 2675180), (181, 2172660), (196, 2006385), (210, 1872626), (245, 1605108), (294, 1337590), (362, 1086330), (420, 936313), (490, 802554), (543, 724220), (588, 668795), (724, 543165), (735, 535036), (739, 532140), (905, 434532), (980, 401277), (1086, 362110), (1267, 310380), (1470, 267518), (1478, 266070), (1810, 217266), (2172, 181055), (2217, 177380), (2534, 155190), (2715, 144844), (2940, 133759), (2956, 133035), (3620, 108633), (3695, 106428), (3801, 103460), (4434, 88690), (5068, 77595), (5173, 76020), (5430, 72422), (6335, 62076), (7390, 53214), (7602, 51730), (8868, 44345), (8869, 44340), (10346, 38010), (10860, 36211), (11085, 35476), (12670, 31038), (14780, 26607), (15204, 25865), (15519, 25340), (17738, 22170), (19005, 20692)]