28089400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 68042520

約数和(自身を除く): 39953120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 167, 200, 232, 290, 334, 580, 668, 725, 835, 841, 1160, 1336, 1450, 1670, 1682, 2900, 3340, 3364, 4175, 4205, 4843, 5800, 6680, 6728, 8350, 8410, 9686, 16700, 16820, 19372, 21025, 24215, 33400, 33640, 38744, 42050, 48430, 84100, 96860, 121075, 140447, 168200, 193720, 242150, 280894, 484300, 561788, 702235, 968600, 1123576, 1404470, 2808940, 3511175, 5617880, 7022350, 14044700, 28089400]

約数ペア:

[(1, 28089400), (2, 14044700), (4, 7022350), (5, 5617880), (8, 3511175), (10, 2808940), (20, 1404470), (25, 1123576), (29, 968600), (40, 702235), (50, 561788), (58, 484300), (100, 280894), (116, 242150), (145, 193720), (167, 168200), (200, 140447), (232, 121075), (290, 96860), (334, 84100), (580, 48430), (668, 42050), (725, 38744), (835, 33640), (841, 33400), (1160, 24215), (1336, 21025), (1450, 19372), (1670, 16820), (1682, 16700), (2900, 9686), (3340, 8410), (3364, 8350), (4175, 6728), (4205, 6680), (4843, 5800)]