318778810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{619}}^1\times {\mathrm{1051}}^1$

素因数の和:1691

約数の個数: 48

約数和(自身を含む): 669198240

約数和(自身を除く): 350419430

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 619, 1051, 1238, 2102, 3095, 4333, 5255, 6190, 7357, 8666, 10510, 14714, 21665, 30331, 36785, 43330, 51499, 60662, 73570, 102998, 151655, 257495, 303310, 514990, 650569, 1301138, 3252845, 4553983, 6505690, 9107966, 22769915, 31877881, 45539830, 63755762, 159389405, 318778810]

約数ペア:

[(1, 318778810), (2, 159389405), (5, 63755762), (7, 45539830), (10, 31877881), (14, 22769915), (35, 9107966), (49, 6505690), (70, 4553983), (98, 3252845), (245, 1301138), (490, 650569), (619, 514990), (1051, 303310), (1238, 257495), (2102, 151655), (3095, 102998), (4333, 73570), (5255, 60662), (6190, 51499), (7357, 43330), (8666, 36785), (10510, 30331), (14714, 21665)]