408360260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{265169}}^1$

素因数の和:265196

約数の個数: 48

約数和(自身を含む): 1069165440

約数和(自身を除く): 660805180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 265169, 530338, 1060676, 1325845, 1856183, 2651690, 2916859, 3712366, 5303380, 5833718, 7424732, 9280915, 11667436, 14584295, 18561830, 20418013, 29168590, 37123660, 40836026, 58337180, 81672052, 102090065, 204180130, 408360260]

約数ペア:

[(1, 408360260), (2, 204180130), (4, 102090065), (5, 81672052), (7, 58337180), (10, 40836026), (11, 37123660), (14, 29168590), (20, 20418013), (22, 18561830), (28, 14584295), (35, 11667436), (44, 9280915), (55, 7424732), (70, 5833718), (77, 5303380), (110, 3712366), (140, 2916859), (154, 2651690), (220, 1856183), (308, 1325845), (385, 1060676), (770, 530338), (1540, 265169)]