201418980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479569}}^1$

素因数の和:479588

約数の個数: 48

約数和(自身を含む): 644542080

約数和(自身を除く): 443123100

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, 479569, 959138, 1438707, 1918276, 2397845, 2877414, 3356983, 4795690, 5754828, 6713966, 7193535, 9591380, 10070949, 13427932, 14387070, 16784915, 20141898, 28774140, 33569830, 40283796, 50354745, 67139660, 100709490, 201418980]

約数ペア:

[(1, 201418980), (2, 100709490), (3, 67139660), (4, 50354745), (5, 40283796), (6, 33569830), (7, 28774140), (10, 20141898), (12, 16784915), (14, 14387070), (15, 13427932), (20, 10070949), (21, 9591380), (28, 7193535), (30, 6713966), (35, 5754828), (42, 4795690), (60, 3356983), (70, 2877414), (84, 2397845), (105, 1918276), (140, 1438707), (210, 959138), (420, 479569)]