128941540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 351918000

約数和(自身を除く): 222976460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 49, 52, 58, 65, 70, 91, 98, 116, 130, 140, 145, 182, 196, 203, 245, 260, 290, 349, 364, 377, 406, 455, 490, 580, 637, 698, 754, 812, 910, 980, 1015, 1274, 1396, 1421, 1508, 1745, 1820, 1885, 2030, 2443, 2548, 2639, 2842, 3185, 3490, 3770, 4060, 4537, 4886, 5278, 5684, 6370, 6980, 7105, 7540, 9074, 9772, 10121, 10556, 12215, 12740, 13195, 14210, 17101, 18148, 18473, 20242, 22685, 24430, 26390, 28420, 31759, 34202, 36946, 40484, 45370, 48860, 50605, 52780, 63518, 68404, 70847, 73892, 85505, 90740, 92365, 101210, 127036, 131573, 141694, 158795, 171010, 184730, 202420, 222313, 263146, 283388, 317590, 342020, 354235, 369460, 444626, 495929, 526292, 635180, 657865, 708470, 889252, 921011, 991858, 1111565, 1315730, 1416940, 1842022, 1983716, 2223130, 2479645, 2631460, 3684044, 4446260, 4605055, 4959290, 6447077, 9210110, 9918580, 12894154, 18420220, 25788308, 32235385, 64470770, 128941540]

約数ペア:

[(1, 128941540), (2, 64470770), (4, 32235385), (5, 25788308), (7, 18420220), (10, 12894154), (13, 9918580), (14, 9210110), (20, 6447077), (26, 4959290), (28, 4605055), (29, 4446260), (35, 3684044), (49, 2631460), (52, 2479645), (58, 2223130), (65, 1983716), (70, 1842022), (91, 1416940), (98, 1315730), (116, 1111565), (130, 991858), (140, 921011), (145, 889252), (182, 708470), (196, 657865), (203, 635180), (245, 526292), (260, 495929), (290, 444626), (349, 369460), (364, 354235), (377, 342020), (406, 317590), (455, 283388), (490, 263146), (580, 222313), (637, 202420), (698, 184730), (754, 171010), (812, 158795), (910, 141694), (980, 131573), (1015, 127036), (1274, 101210), (1396, 92365), (1421, 90740), (1508, 85505), (1745, 73892), (1820, 70847), (1885, 68404), (2030, 63518), (2443, 52780), (2548, 50605), (2639, 48860), (2842, 45370), (3185, 40484), (3490, 36946), (3770, 34202), (4060, 31759), (4537, 28420), (4886, 26390), (5278, 24430), (5684, 22685), (6370, 20242), (6980, 18473), (7105, 18148), (7540, 17101), (9074, 14210), (9772, 13195), (10121, 12740), (10556, 12215)]