64660400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{3299}}^1$

素因数の和:3331

約数の個数: 90

約数和(自身を含む): 180764100

約数和(自身を除く): 116103700

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, 3299, 3920, 4900, 6598, 9800, 13196, 16495, 19600, 23093, 26392, 32990, 46186, 52784, 65980, 82475, 92372, 115465, 131960, 161651, 164950, 184744, 230930, 263920, 323302, 329900, 369488, 461860, 577325, 646604, 659800, 808255, 923720, 1154650, 1293208, 1319600, 1616510, 1847440, 2309300, 2586416, 3233020, 4041275, 4618600, 6466040, 8082550, 9237200, 12932080, 16165100, 32330200, 64660400]

約数ペア:

[(1, 64660400), (2, 32330200), (4, 16165100), (5, 12932080), (7, 9237200), (8, 8082550), (10, 6466040), (14, 4618600), (16, 4041275), (20, 3233020), (25, 2586416), (28, 2309300), (35, 1847440), (40, 1616510), (49, 1319600), (50, 1293208), (56, 1154650), (70, 923720), (80, 808255), (98, 659800), (100, 646604), (112, 577325), (140, 461860), (175, 369488), (196, 329900), (200, 323302), (245, 263920), (280, 230930), (350, 184744), (392, 164950), (400, 161651), (490, 131960), (560, 115465), (700, 92372), (784, 82475), (980, 65980), (1225, 52784), (1400, 46186), (1960, 32990), (2450, 26392), (2800, 23093), (3299, 19600), (3920, 16495), (4900, 13196), (6598, 9800)]