898967580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2140399}}^1$

素因数の和:2140418

約数の個数: 48

約数和(自身を含む): 2876697600

約数和(自身を除く): 1977730020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2140399, 4280798, 6421197, 8561596, 10701995, 12842394, 14982793, 21403990, 25684788, 29965586, 32105985, 42807980, 44948379, 59931172, 64211970, 74913965, 89896758, 128423940, 149827930, 179793516, 224741895, 299655860, 449483790, 898967580]

約数ペア:

[(1, 898967580), (2, 449483790), (3, 299655860), (4, 224741895), (5, 179793516), (6, 149827930), (7, 128423940), (10, 89896758), (12, 74913965), (14, 64211970), (15, 59931172), (20, 44948379), (21, 42807980), (28, 32105985), (30, 29965586), (35, 25684788), (42, 21403990), (60, 14982793), (70, 12842394), (84, 10701995), (105, 8561596), (140, 6421197), (210, 4280798), (420, 2140399)]