407218980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{969569}}^1$

素因数の和:969588

約数の個数: 48

約数和(自身を含む): 1303102080

約数和(自身を除く): 895883100

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, 969569, 1939138, 2908707, 3878276, 4847845, 5817414, 6786983, 9695690, 11634828, 13573966, 14543535, 19391380, 20360949, 27147932, 29087070, 33934915, 40721898, 58174140, 67869830, 81443796, 101804745, 135739660, 203609490, 407218980]

約数ペア:

[(1, 407218980), (2, 203609490), (3, 135739660), (4, 101804745), (5, 81443796), (6, 67869830), (7, 58174140), (10, 40721898), (12, 33934915), (14, 29087070), (15, 27147932), (20, 20360949), (21, 19391380), (28, 14543535), (30, 13573966), (35, 11634828), (42, 9695690), (60, 6786983), (70, 5817414), (84, 4847845), (105, 3878276), (140, 2908707), (210, 1939138), (420, 969569)]