128321200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{6547}}^1$

素因数の和:6579

約数の個数: 90

約数和(自身を含む): 358679796

約数和(自身を除く): 230358596

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 6547, 9800, 13094, 19600, 26188, 32735, 45829, 52376, 65470, 91658, 104752, 130940, 163675, 183316, 229145, 261880, 320803, 327350, 366632, 458290, 523760, 641606, 654700, 733264, 916580, 1145725, 1283212, 1309400, 1604015, 1833160, 2291450, 2566424, 2618800, 3208030, 3666320, 4582900, 5132848, 6416060, 8020075, 9165800, 12832120, 16040150, 18331600, 25664240, 32080300, 64160600, 128321200]

約数ペア:

[(1, 128321200), (2, 64160600), (4, 32080300), (5, 25664240), (7, 18331600), (8, 16040150), (10, 12832120), (14, 9165800), (16, 8020075), (20, 6416060), (25, 5132848), (28, 4582900), (35, 3666320), (40, 3208030), (49, 2618800), (50, 2566424), (56, 2291450), (70, 1833160), (80, 1604015), (98, 1309400), (100, 1283212), (112, 1145725), (140, 916580), (175, 733264), (196, 654700), (200, 641606), (245, 523760), (280, 458290), (350, 366632), (392, 327350), (400, 320803), (490, 261880), (560, 229145), (700, 183316), (784, 163675), (980, 130940), (1225, 104752), (1400, 91658), (1960, 65470), (2450, 52376), (2800, 45829), (3920, 32735), (4900, 26188), (6547, 19600), (9800, 13094)]