2144940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5107}}^1$

素因数の和:5126

約数の個数: 48

約数和(自身を含む): 6865152

約数和(自身を除く): 4720212

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, 5107, 10214, 15321, 20428, 25535, 30642, 35749, 51070, 61284, 71498, 76605, 102140, 107247, 142996, 153210, 178745, 214494, 306420, 357490, 428988, 536235, 714980, 1072470, 2144940]

約数ペア:

[(1, 2144940), (2, 1072470), (3, 714980), (4, 536235), (5, 428988), (6, 357490), (7, 306420), (10, 214494), (12, 178745), (14, 153210), (15, 142996), (20, 107247), (21, 102140), (28, 76605), (30, 71498), (35, 61284), (42, 51070), (60, 35749), (70, 30642), (84, 25535), (105, 20428), (140, 15321), (210, 10214), (420, 5107)]