8404460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 19686240

約数和(自身を除く): 11281780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1301, 1615, 2602, 3230, 5204, 6460, 6505, 13010, 22117, 24719, 26020, 44234, 49438, 88468, 98876, 110585, 123595, 221170, 247190, 420223, 442340, 494380, 840446, 1680892, 2101115, 4202230, 8404460]

約数ペア:

[(1, 8404460), (2, 4202230), (4, 2101115), (5, 1680892), (10, 840446), (17, 494380), (19, 442340), (20, 420223), (34, 247190), (38, 221170), (68, 123595), (76, 110585), (85, 98876), (95, 88468), (170, 49438), (190, 44234), (323, 26020), (340, 24719), (380, 22117), (646, 13010), (1292, 6505), (1301, 6460), (1615, 5204), (2602, 3230)]