403725420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{320417}}^1$

素因数の和:320439

約数の個数: 72

約数和(自身を含む): 1399585824

約数和(自身を除く): 995860404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 320417, 640834, 961251, 1281668, 1602085, 1922502, 2242919, 2883753, 3204170, 3845004, 4485838, 4806255, 5767506, 6408340, 6728757, 8971676, 9612510, 11214595, 11535012, 13457514, 14418765, 19225020, 20186271, 22429190, 26915028, 28837530, 33643785, 40372542, 44858380, 57675060, 67287570, 80745084, 100931355, 134575140, 201862710, 403725420]

約数ペア:

[(1, 403725420), (2, 201862710), (3, 134575140), (4, 100931355), (5, 80745084), (6, 67287570), (7, 57675060), (9, 44858380), (10, 40372542), (12, 33643785), (14, 28837530), (15, 26915028), (18, 22429190), (20, 20186271), (21, 19225020), (28, 14418765), (30, 13457514), (35, 11535012), (36, 11214595), (42, 9612510), (45, 8971676), (60, 6728757), (63, 6408340), (70, 5767506), (84, 4806255), (90, 4485838), (105, 3845004), (126, 3204170), (140, 2883753), (180, 2242919), (210, 1922502), (252, 1602085), (315, 1281668), (420, 961251), (630, 640834), (1260, 320417)]