209562780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26261}}^1$

素因数の和:26299

約数の個数: 96

約数和(自身を含む): 705922560

約数和(自身を除く): 496359780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 26261, 52522, 78783, 105044, 131305, 157566, 183827, 262610, 315132, 367654, 393915, 498959, 525220, 551481, 735308, 787830, 919135, 997918, 1102962, 1496877, 1575660, 1838270, 1995836, 2205924, 2494795, 2757405, 2993754, 3492713, 3676540, 4989590, 5514810, 5987508, 6985426, 7484385, 9979180, 10478139, 11029620, 13970852, 14968770, 17463565, 20956278, 29937540, 34927130, 41912556, 52390695, 69854260, 104781390, 209562780]

約数ペア:

[(1, 209562780), (2, 104781390), (3, 69854260), (4, 52390695), (5, 41912556), (6, 34927130), (7, 29937540), (10, 20956278), (12, 17463565), (14, 14968770), (15, 13970852), (19, 11029620), (20, 10478139), (21, 9979180), (28, 7484385), (30, 6985426), (35, 5987508), (38, 5514810), (42, 4989590), (57, 3676540), (60, 3492713), (70, 2993754), (76, 2757405), (84, 2494795), (95, 2205924), (105, 1995836), (114, 1838270), (133, 1575660), (140, 1496877), (190, 1102962), (210, 997918), (228, 919135), (266, 787830), (285, 735308), (380, 551481), (399, 525220), (420, 498959), (532, 393915), (570, 367654), (665, 315132), (798, 262610), (1140, 183827), (1330, 157566), (1596, 131305), (1995, 105044), (2660, 78783), (3990, 52522), (7980, 26261)]