17440220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 24653860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 359, 694, 718, 1388, 1436, 1735, 1795, 2429, 2513, 3470, 3590, 4858, 5026, 6940, 7180, 9716, 10052, 12145, 12565, 24290, 25130, 48580, 50260, 124573, 249146, 498292, 622865, 872011, 1245730, 1744022, 2491460, 3488044, 4360055, 8720110, 17440220]

約数ペア:

[(1, 17440220), (2, 8720110), (4, 4360055), (5, 3488044), (7, 2491460), (10, 1744022), (14, 1245730), (20, 872011), (28, 622865), (35, 498292), (70, 249146), (140, 124573), (347, 50260), (359, 48580), (694, 25130), (718, 24290), (1388, 12565), (1436, 12145), (1735, 10052), (1795, 9716), (2429, 7180), (2513, 6940), (3470, 5026), (3590, 4858)]