210591780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{501409}}^1$

素因数の和:501428

約数の個数: 48

約数和(自身を含む): 673895040

約数和(自身を除く): 463303260

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, 501409, 1002818, 1504227, 2005636, 2507045, 3008454, 3509863, 5014090, 6016908, 7019726, 7521135, 10028180, 10529589, 14039452, 15042270, 17549315, 21059178, 30084540, 35098630, 42118356, 52647945, 70197260, 105295890, 210591780]

約数ペア:

[(1, 210591780), (2, 105295890), (3, 70197260), (4, 52647945), (5, 42118356), (6, 35098630), (7, 30084540), (10, 21059178), (12, 17549315), (14, 15042270), (15, 14039452), (20, 10529589), (21, 10028180), (28, 7521135), (30, 7019726), (35, 6016908), (42, 5014090), (60, 3509863), (70, 3008454), (84, 2507045), (105, 2005636), (140, 1504227), (210, 1002818), (420, 501409)]