196891520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 128

約数和(自身を含む): 546393600

約数和(自身を除く): 349502080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 619, 640, 710, 896, 994, 1120, 1136, 1238, 1420, 1988, 2240, 2272, 2476, 2485, 2840, 3095, 3976, 4333, 4480, 4544, 4952, 4970, 5680, 6190, 7952, 8666, 9088, 9904, 9940, 11360, 12380, 15904, 17332, 19808, 19880, 21665, 22720, 24760, 31808, 34664, 39616, 39760, 43330, 43949, 45440, 49520, 63616, 69328, 79232, 79520, 86660, 87898, 99040, 138656, 159040, 173320, 175796, 198080, 219745, 277312, 307643, 318080, 346640, 351592, 396160, 439490, 554624, 615286, 693280, 703184, 878980, 1230572, 1386560, 1406368, 1538215, 1757960, 2461144, 2773120, 2812736, 3076430, 3515920, 4922288, 5625472, 6152860, 7031840, 9844576, 12305720, 14063680, 19689152, 24611440, 28127360, 39378304, 49222880, 98445760, 196891520]

約数ペア:

[(1, 196891520), (2, 98445760), (4, 49222880), (5, 39378304), (7, 28127360), (8, 24611440), (10, 19689152), (14, 14063680), (16, 12305720), (20, 9844576), (28, 7031840), (32, 6152860), (35, 5625472), (40, 4922288), (56, 3515920), (64, 3076430), (70, 2812736), (71, 2773120), (80, 2461144), (112, 1757960), (128, 1538215), (140, 1406368), (142, 1386560), (160, 1230572), (224, 878980), (280, 703184), (284, 693280), (320, 615286), (355, 554624), (448, 439490), (497, 396160), (560, 351592), (568, 346640), (619, 318080), (640, 307643), (710, 277312), (896, 219745), (994, 198080), (1120, 175796), (1136, 173320), (1238, 159040), (1420, 138656), (1988, 99040), (2240, 87898), (2272, 86660), (2476, 79520), (2485, 79232), (2840, 69328), (3095, 63616), (3976, 49520), (4333, 45440), (4480, 43949), (4544, 43330), (4952, 39760), (4970, 39616), (5680, 34664), (6190, 31808), (7952, 24760), (8666, 22720), (9088, 21665), (9904, 19880), (9940, 19808), (11360, 17332), (12380, 15904)]