28604600

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 67294800

約数和(自身を除く): 38690200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1607, 1780, 2225, 3214, 3560, 4450, 6428, 8035, 8900, 12856, 16070, 17800, 32140, 40175, 64280, 80350, 143023, 160700, 286046, 321400, 572092, 715115, 1144184, 1430230, 2860460, 3575575, 5720920, 7151150, 14302300, 28604600]

約数ペア:

[(1, 28604600), (2, 14302300), (4, 7151150), (5, 5720920), (8, 3575575), (10, 2860460), (20, 1430230), (25, 1144184), (40, 715115), (50, 572092), (89, 321400), (100, 286046), (178, 160700), (200, 143023), (356, 80350), (445, 64280), (712, 40175), (890, 32140), (1607, 17800), (1780, 16070), (2225, 12856), (3214, 8900), (3560, 8035), (4450, 6428)]