28137900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13399}}^1$

素因数の和:13423

約数の個数: 72

約数和(自身を含む): 93049600

約数和(自身を除く): 64911700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13399, 26798, 40197, 53596, 66995, 80394, 93793, 133990, 160788, 187586, 200985, 267980, 281379, 334975, 375172, 401970, 468965, 562758, 669950, 803940, 937930, 1004925, 1125516, 1339900, 1406895, 1875860, 2009850, 2344825, 2813790, 4019700, 4689650, 5627580, 7034475, 9379300, 14068950, 28137900]

約数ペア:

[(1, 28137900), (2, 14068950), (3, 9379300), (4, 7034475), (5, 5627580), (6, 4689650), (7, 4019700), (10, 2813790), (12, 2344825), (14, 2009850), (15, 1875860), (20, 1406895), (21, 1339900), (25, 1125516), (28, 1004925), (30, 937930), (35, 803940), (42, 669950), (50, 562758), (60, 468965), (70, 401970), (75, 375172), (84, 334975), (100, 281379), (105, 267980), (140, 200985), (150, 187586), (175, 160788), (210, 133990), (300, 93793), (350, 80394), (420, 66995), (525, 53596), (700, 40197), (1050, 26798), (2100, 13399)]