19798800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2357}}^1$

素因数の和:2385

約数の個数: 120

約数和(自身を含む): 72513216

約数和(自身を除く): 52714416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2357, 2800, 4200, 4714, 7071, 8400, 9428, 11785, 14142, 16499, 18856, 23570, 28284, 32998, 35355, 37712, 47140, 49497, 56568, 58925, 65996, 70710, 82495, 94280, 98994, 113136, 117850, 131992, 141420, 164990, 176775, 188560, 197988, 235700, 247485, 263984, 282840, 329980, 353550, 395976, 412475, 471400, 494970, 565680, 659960, 707100, 791952, 824950, 942800, 989940, 1237425, 1319920, 1414200, 1649900, 1979880, 2474850, 2828400, 3299800, 3959760, 4949700, 6599600, 9899400, 19798800]

約数ペア:

[(1, 19798800), (2, 9899400), (3, 6599600), (4, 4949700), (5, 3959760), (6, 3299800), (7, 2828400), (8, 2474850), (10, 1979880), (12, 1649900), (14, 1414200), (15, 1319920), (16, 1237425), (20, 989940), (21, 942800), (24, 824950), (25, 791952), (28, 707100), (30, 659960), (35, 565680), (40, 494970), (42, 471400), (48, 412475), (50, 395976), (56, 353550), (60, 329980), (70, 282840), (75, 263984), (80, 247485), (84, 235700), (100, 197988), (105, 188560), (112, 176775), (120, 164990), (140, 141420), (150, 131992), (168, 117850), (175, 113136), (200, 98994), (210, 94280), (240, 82495), (280, 70710), (300, 65996), (336, 58925), (350, 56568), (400, 49497), (420, 47140), (525, 37712), (560, 35355), (600, 32998), (700, 28284), (840, 23570), (1050, 18856), (1200, 16499), (1400, 14142), (1680, 11785), (2100, 9428), (2357, 8400), (2800, 7071), (4200, 4714)]