396900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^2$

素因数の和:40

約数の個数: 135

約数和(自身を含む): 1496649

約数和(自身を除く): 1099749

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 81, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 150, 162, 175, 180, 189, 196, 210, 225, 245, 252, 270, 294, 300, 315, 324, 350, 378, 405, 420, 441, 450, 490, 525, 540, 567, 588, 630, 675, 700, 735, 756, 810, 882, 900, 945, 980, 1050, 1134, 1225, 1260, 1323, 1350, 1470, 1575, 1620, 1764, 1890, 2025, 2100, 2205, 2268, 2450, 2646, 2700, 2835, 2940, 3150, 3675, 3780, 3969, 4050, 4410, 4725, 4900, 5292, 5670, 6300, 6615, 7350, 7938, 8100, 8820, 9450, 11025, 11340, 13230, 14175, 14700, 15876, 18900, 19845, 22050, 26460, 28350, 33075, 39690, 44100, 56700, 66150, 79380, 99225, 132300, 198450, 396900]

約数ペア:

[(1, 396900), (2, 198450), (3, 132300), (4, 99225), (5, 79380), (6, 66150), (7, 56700), (9, 44100), (10, 39690), (12, 33075), (14, 28350), (15, 26460), (18, 22050), (20, 19845), (21, 18900), (25, 15876), (27, 14700), (28, 14175), (30, 13230), (35, 11340), (36, 11025), (42, 9450), (45, 8820), (49, 8100), (50, 7938), (54, 7350), (60, 6615), (63, 6300), (70, 5670), (75, 5292), (81, 4900), (84, 4725), (90, 4410), (98, 4050), (100, 3969), (105, 3780), (108, 3675), (126, 3150), (135, 2940), (140, 2835), (147, 2700), (150, 2646), (162, 2450), (175, 2268), (180, 2205), (189, 2100), (196, 2025), (210, 1890), (225, 1764), (245, 1620), (252, 1575), (270, 1470), (294, 1350), (300, 1323), (315, 1260), (324, 1225), (350, 1134), (378, 1050), (405, 980), (420, 945), (441, 900), (450, 882), (490, 810), (525, 756), (540, 735), (567, 700), (588, 675)]