215978000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{15427}}^1$

素因数の和:15457

約数の個数: 80

約数和(自身を含む): 596878464

約数和(自身を除く): 380900464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 7000, 14000, 15427, 30854, 61708, 77135, 107989, 123416, 154270, 215978, 246832, 308540, 385675, 431956, 539945, 617080, 771350, 863912, 1079890, 1234160, 1542700, 1727824, 1928375, 2159780, 2699725, 3085400, 3856750, 4319560, 5399450, 6170800, 7713500, 8639120, 10798900, 13498625, 15427000, 21597800, 26997250, 30854000, 43195600, 53994500, 107989000, 215978000]

約数ペア:

[(1, 215978000), (2, 107989000), (4, 53994500), (5, 43195600), (7, 30854000), (8, 26997250), (10, 21597800), (14, 15427000), (16, 13498625), (20, 10798900), (25, 8639120), (28, 7713500), (35, 6170800), (40, 5399450), (50, 4319560), (56, 3856750), (70, 3085400), (80, 2699725), (100, 2159780), (112, 1928375), (125, 1727824), (140, 1542700), (175, 1234160), (200, 1079890), (250, 863912), (280, 771350), (350, 617080), (400, 539945), (500, 431956), (560, 385675), (700, 308540), (875, 246832), (1000, 215978), (1400, 154270), (1750, 123416), (2000, 107989), (2800, 77135), (3500, 61708), (7000, 30854), (14000, 15427)]