161706370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{631}}^1$

素因数の和:1175

約数の個数: 48

約数和(自身を含む): 339778368

約数和(自身を除く): 178071998

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 523, 631, 1046, 1262, 2615, 3155, 3661, 4417, 5230, 6310, 7322, 8834, 18305, 22085, 25627, 30919, 36610, 44170, 51254, 61838, 128135, 154595, 256270, 309190, 330013, 660026, 1650065, 2310091, 3300130, 4620182, 11550455, 16170637, 23100910, 32341274, 80853185, 161706370]

約数ペア:

[(1, 161706370), (2, 80853185), (5, 32341274), (7, 23100910), (10, 16170637), (14, 11550455), (35, 4620182), (49, 3300130), (70, 2310091), (98, 1650065), (245, 660026), (490, 330013), (523, 309190), (631, 256270), (1046, 154595), (1262, 128135), (2615, 61838), (3155, 51254), (3661, 44170), (4417, 36610), (5230, 30919), (6310, 25627), (7322, 22085), (8834, 18305)]