204612400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 525859200

約数和(自身を除く): 321246800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 40, 50, 58, 62, 80, 100, 116, 124, 145, 155, 200, 232, 248, 290, 310, 400, 464, 496, 569, 580, 620, 725, 775, 899, 1138, 1160, 1240, 1450, 1550, 1798, 2276, 2320, 2480, 2845, 2900, 3100, 3596, 4495, 4552, 5690, 5800, 6200, 7192, 8990, 9104, 11380, 11600, 12400, 14225, 14384, 16501, 17639, 17980, 22475, 22760, 28450, 33002, 35278, 35960, 44950, 45520, 56900, 66004, 70556, 71920, 82505, 88195, 89900, 113800, 132008, 141112, 165010, 176390, 179800, 227600, 264016, 282224, 330020, 352780, 359600, 412525, 440975, 511531, 660040, 705560, 825050, 881950, 1023062, 1320080, 1411120, 1650100, 1763900, 2046124, 2557655, 3300200, 3527800, 4092248, 5115310, 6600400, 7055600, 8184496, 10230620, 12788275, 20461240, 25576550, 40922480, 51153100, 102306200, 204612400]

約数ペア:

[(1, 204612400), (2, 102306200), (4, 51153100), (5, 40922480), (8, 25576550), (10, 20461240), (16, 12788275), (20, 10230620), (25, 8184496), (29, 7055600), (31, 6600400), (40, 5115310), (50, 4092248), (58, 3527800), (62, 3300200), (80, 2557655), (100, 2046124), (116, 1763900), (124, 1650100), (145, 1411120), (155, 1320080), (200, 1023062), (232, 881950), (248, 825050), (290, 705560), (310, 660040), (400, 511531), (464, 440975), (496, 412525), (569, 359600), (580, 352780), (620, 330020), (725, 282224), (775, 264016), (899, 227600), (1138, 179800), (1160, 176390), (1240, 165010), (1450, 141112), (1550, 132008), (1798, 113800), (2276, 89900), (2320, 88195), (2480, 82505), (2845, 71920), (2900, 70556), (3100, 66004), (3596, 56900), (4495, 45520), (4552, 44950), (5690, 35960), (5800, 35278), (6200, 33002), (7192, 28450), (8990, 22760), (9104, 22475), (11380, 17980), (11600, 17639), (12400, 16501), (14225, 14384)]